JSON Documentation

JSON Documentation

Each entry in the Louvre Collections site comes with a corresponding page of data structured in JSON format.
To access the JSON version of the entries, simply add ".json" to the entry URL.
For example:
https://collections.louvre.fr/ark:/53355/cl010277627.json

All use of text data and images must comply with the Terms of Use.

List of JSON properties

Please note that the content provided on the Louvre Collections site (https://collections.louvre.fr) is available in French only. However, the interface and the list of JSON properties are also available in English.

 

url
Data type: string of characters.
Description: URL of the Collections site entry.
Example:

https://collections.louvre.fr/ark:/53355/cl010061995


Back to the list

arkId
Data type: string of characters.
Description: ark name of the URL identifying each entry.
Example:

cl010061995


Back to the list

modified
Data type: date.
Description: date of the most recent update of the entry in YYYY-MM-DD format.
Example:

2021-08-07


Back to the list

title
Data type: string of characters.
Description: denomination/title heading.
Example:

Pèlerinage à l'île de Cythère


Back to the list

titleComplement
Data type: string of characters.
Description: title complement, specific to entries for the Department of Prints and Drawings.
Example:

Figures d'académie, recueil de 32 planches dont une de titre représentant des divinités ou des héros de l'Antiquité dans diverses attitudes


Back to the list

denominationTitle
Data type: data table.
Description: structured data table on different denominations/titles.
Every denomination/title is associated with a "type", systematically filled in. The "type" values can be the following: "Dénomination"/Denomination, "Titre"/Title, "Titre d'usage"/Usual title, "Désignation"/Designation, "Ancien titre"/Old title, "Autre titre"/Other title.
Multi-valued property.
Example:

"denominationTitle": [{
            "type": "D\u00e9nomination",
            "value": "statue"
        }, {
            "type": "Titre d\u0027usage",
            "value": "Apollon de Malloura"
        }, {
            "type": "Ancien titre",
            "value": "torse Mazarin"
        }
    ]


Back to the list

displayDateCreated
Data type: string of characters.
Description: long text providing information on the type and value of the date and period the object was created.
Example:

Date de création/fabrication : 2e quart du XVIIIe siècle (1737)


Back to the list

dateCreated
Data type: data table.
Description: structured data table on the dates and periods of creation.
"Type" indicates the type of date.
"StartYear" and "endYear" indicate the start and end years in digital format and "text" indicates the period in textual format.
"Imprecision" indicates the degree of imprecision.
Multi-valued property.
"Doubt" is a boolean ( null | "?" ) ) indicating possible doubt on the statement.
Example:

"dateCreated": [{
            "startYear": 395,
            "endYear": 499,
            "imprecision": "vers",
            "text": "\u00e9poque byzantine",
            "type": "Date de cr\u00e9ation\/fabrication",
            "doubt": null
        }
    ]


Back to the list

creator
Data type: structured data table on the declared attribution of the object.
"AttributionLevel" specifies the attribution level where appropriate. It can be a current attribution, a proposed attribution, a former attribution, another attribution or an inventory name.
"LinkType" qualifies the type of link between the creator and the artwork.
"Dates" is a multi-valued data table specifying the dates the creator was alive or active.
"CreatorRole" specifies the role of the creator where appropriate.
"AuthenticationType" indicates possible type of authentication.
"Doubt" is a boolean ( "" | "?" ) indicating possible doubt on the statement.
"AttributedBy" and "attributedYear" are specific to the entries of the Department of Prints and Drawings; they indicate the name of the attributor and the date of attribution.
"Wikidata" indicates the Wikidata corresponding to the person.
Multi-valued property.
Example:

"creator": [{
            "label": "HOLBEIN Hans le Vieux",
            "attributionLevel": "attribution actuelle",
            "linkType": "original",
            "dates": [{
                    "date": "vers 1465",
                    "place": "",
                    "type": "date 1"
                }, {
                    "date": "1524",
                    "place": "",
                    "type": "date 2"
                }
            ],
            "creatorRole": "",
            "authenticationType": "",
            "doubt": "",
            "attributedBy": "Walter Gay",
            "attributedYear": 1938,
            "wikidata": "Q49987"
        }
]


Back to the list

currentLocation
Data type: property indicating the value of the "Current location" in the body of the entry.
Example:

[SCULPT] Jardin des Tuileries


Back to the list

room
Data type: string of characters.
Description: the location of the objects in the Louvre palace is indicated systematically in the following format: [room], [wing], [level].
Example:

Salle 618, Aile Sully, Niveau 1


Back to the list

isMuseesNationauxRecuperation
Data type: booléen.
Description: data indicating whether the object is an "MNR" (Musées Nationaux Récupération) artwork with two possible values, true or false.
Example:

true


Back to the list

objectNumber
Data type: data table.
Description: data table indicating the number(s) associated with the object and their respective type.
Multi-valued property.
Example:

"objectNumber": [{
            "value": "INV 8525",
            "type": "Numéro principal"
        }
    ]


Back to the list

collection
Data type: string of characters.
Description: collection to which the object belongs.
Example:

Département des Peintures


Back to the list

printsDrawingsEntity
Data type: data specific to entries of the Department of Prints and Drawings with 3 possible values: "Cabinet des Dessins", "Edmond de Rothschild Collection", "Chalcographie".
Example:

Cabinet des dessins


Back to the list

printsDrawingsCollection
Data type: string of characters.
Description: data specific to the entries of the Department of Prints and Drawings, indicating the collection to which the artwork belongs.
Example:

Fonds des dessins et miniatures


Back to the list

objectType
Data type: string of characters.
Description: data indicating the type of object. This concerns the following collections: Edmond de Rothschild collection of the Department of Prints and Drawings, Department of Decorative Arts, Department of Sculptures.
Example:

coffret


Back to the list

originalObject
Data type: string of characters.
Description: data specific to the entries of the Department of Greek, Etruscan and Roman Antiquities indicating the original artwork.
Example:

original conservé à (Rome musée du Capitole) (Brutus le jeune(?)-Rome musée du capitole n° 745)


Back to the list

printState
Data type: string of characters.
Description: data specific to the entries of the Department of Prints and Drawings, indicating the state of a print.
Example:

Épreuve du 3e état


Back to the list

description
Data type: string of characters.
Description: long text providing a description of the object.
Example:

Au centre, Vulcain entouré de trois Cyclopes forge sur une enclume, les ailes de l'Amour. A droite, Vénus tenant l'Amour auprès d'elle. Au fond, une ville au bord d'un fleuve


Back to the list

inscriptions
Data type: string of characters.
Description: long text on the inscriptions grouping a variety of possible information: writing system, language, inscription, nature of the text, translation, transcription, transliteration, doubt, remarks.
Example:

Écriture : écriture cunéiforme mésopotamienne ; idéographique = logographique ; Inscription : "pour Enki-Gal, Ur-Lumma, le roi d'Umma, le fils d'En-a-Kale, roi d'Umma, a bâti (son temple)" ; Langue : sumérien ; Nature du texte : texte de fondation


Back to the list

namesAndTitles
Data type: string of characters.
Description: data on names and titles specific to the entries of the Department of Egyptian Antiquities.
Example:

Séthi I ; Hathor


Back to the list

onomastics
Data type: string of characters.
Description: data on onomastics specific to the entries of the Department of Greek, Etruscan and Roman Antiquities.
Example:

Θρασύδαμος - Thrasydamos (éponyme rhodien, prêtre d'Hélios)


Back to the list

dimension
Data type: data table.
Description: structured data table on the dimensions of the objects.
The type of dimension is indicated by "type".
"Value" is a number and "unit" specifies the unit of measurement.
"AnteriorPrecision" and "posteriorPrecision" indicate specifications made before or after the measurement in the entry.
"Tri" is not systematically filled in and indicates an order of restitution in the entry.
Multi-valued property.
Example:

"dimension": [{
    "type": "Hauteur",
    "value": "430",
    "unit":"cm",
    "anteriorPrecision":"totale",
    "posteriorPrecision":"posé à plat",
    "note":"",
    "tri":"2"
}]


Back to the list

materialsAndTechniques
Data type: string of characters.
Description: materials and techniques.
Example:

huile sur bois


Back to the list

shape
Data type: string of characters.
Description: data specific to the entries of the Department of Prints and Drawings, indicating the shape of the artwork.
Example:

ovale


Back to the list

placeOfCreation
Data type: string of characters.
Description: place of creation.
Example:

Damas (Proche-Orient arabe->Syrie)


Back to the list

dateOfDiscovery
Data type: string of characters.
Description: date of discovery of the object.

Example:

1893-1894


Back to the list

placeOfDiscovery
Data type: string of characters.
Description: place of discovery.
Example:

Ras Shamra = Ugarit (dépôt de la maison du Grand Prêtre)


Back to the list

provenance
Data type: string of characters.
Description: geographic provenance of the artwork.
Example:

Iran (Monde iranien - Caucase) (Khurasan)


Back to the list

historicalContext
Data type: data table.
Description: historical context of the discovery (ex.: Archaeological site, Tomb number: amphora A without no 1922), presentation (ex.: Salon, Salon of 1844, Paris) or affiliation of the object (ex. Treasury, Treasury of Saint-Denis, Saint-Denis).
Propriété multivaluée.
Example:

Site archéologique, Numéro tombe : amphore A sans n° 1922


Back to the list

objectHistory
Data type: string of characters.
Description: history of the object.
Example:

Achat de l'Etat ; bronze commandé à l'artiste d'après le modèle en plâtre (conservé au FNAC inv. FNAC FH 868-376)


Back to the list

jabachInventory
Data type: string of characters.
Description: entry of the Jabach inventory specific to the Department of Prints and Drawings.
Example:

Dessin dit d'ordonnance collé et doré de la collection d'Everhard Jabach [...]


Back to the list

napoleonInventory
Data type: string of characters.
Description: entry of the Napoleon inventory specifically mentioned in the entries of the Department of Prints and Drawings.
Example:

Inventaire du Musée Napoléon. Dessins. Vol.5, p.896, chap. : Ecole italienne D, carton 62 5 [...]


Back to the list

previousOwner
Data type: data table.
Description: previous owner, patron or dedicatee.
Multi-valued property.
Example:

previousOwner": [{
            "value": "Campana, Giampietro, marquis di Cavelli",
            "note": "(collection)"
        }
    ]


Back to the list

acquisitionDetails
Data type: data table.
Description: data table on the method of acquisition, unique, and on the events tied to the multi-valued "dates" elements.
"Doubt" is a boolean ( ""| "?" ) indicating possible doubt on the statement.
"Date"/"type" indicates the nature of the event tied to the acquisition.
"Date"/"value" data can be in DD/MM/YYYY or YYYY format.
"Date"/"startYear" and "date"/"endYear" data are in YYYY format.
Example:

"acquisitionDetails": [{
            "mode": "partage après fouilles",
            "doubt": "",
            "dates": [{
                    "type": "date de comité/commission",
                    "value": "30/10/1930",
                    "startYear": 1930,
                    "endYear": 1930
                }
            ]
        }
    ]


Back to the list

ownedBy
Data type: string of characters.
Description: owner.
Example:

Etat


Back to the list

heldBy
Data type: string of characters.
Description: assignee.
Example:

Musée du Louvre, Département des Antiquités grecques, étrusques et romaines


Back to the list

longTermLoanTo
Data type: string of characters.
Description: recipient of long-term loan.
Example:

Musée Saint-Raymond, musée des Antiques de Toulouse, Toulouse


Back to the list

index
Data type: data table.
Description: indexation data corresponding to terms of controlled vocabulary.
The indexes entered are data tables comprising multi-valued elements composed of single terms. In the case of a hierarchical thesaurus, all of the elements of the relationship are indicated at the same level.
Index corresponding to hierarchical thesauri:
- denomination : denomination,
- material : materials,
- technic : technique [no hierarchical elements for the entries of the Department of Prints and Drawings],
- description : description/decor,
- nameAndTitle : names and titles,
- originalObject : original object,
- period : period,
- place : place,
- objectType : type of object,
- inscriptionLanguage : language,
- inscriptionType : nature of the text,
- inscriptionWritingSystem : writing.

4 indexes presenting terms with no hierarchical elements:
- category : category,
- collection : previous collection [specific to the Department of Prints and Drawings],
- person : person tied to the subject of the artwork [specific to the Department of Prints and Drawings],
- subject : subject portrayed [specific to the Department of Prints and Drawings].
Example:

"index": {
        "category": [{
                "value": "mosaïque"
            }
        ],
        "material": [{
                "value": "matière minérale"
            }, {
                "value": "pierre"
            }, {
                "value": "pierre commune"
            }, {
                "value": "basalte"
            }
        ],
        "technic": [{
                "value": "eau-forte"
            }
        ],
        "place": [{
                "value": "Turquie"
            }, {
                "value": "Région méditerranéenne = Cilicie"
            }, {
                "value": "Antioche de Pisidie"
            }
        ]
    }


Back to the list

bibliography
Data type: data table.
Description: data table on bibliographic references.
"BibliographyDate" data is in text format.
"BibliographyDetail" data provides details on the reference in connection with the object of the entry.
"Comparison" is a boolean (true|false) indicating comparison bibliographic references.
Multi-valued property.
Example:

"bibliography": [{
            "bibliographyRef": "Dodds, Jerrilynn D (\u00e9d.). Al-Andalus : The art of Islamic Spain. [Exposition, Grenade, Alhambra, New-York, Metropolitan Museum of Art, 1992]. New-York, Metropolitan Museum of Art, 1992. ",
            "bibliographyDate": "1992",
            "bibliographyDetail": "p. : 216-218, n\u00b0 15",
            "comparison": true
        }
    ]


Back to the list

exhibition
Data type: data table.
Description: data table on exhibitions with possible indication of stage.
Multi-valued property.
Example:

"exhibition": [{
            "value": "Les Amours des Dieux, Paris (France), Galeries nationales du Grand Palais, 15/10/1991 - 13/01/1992, étape d'une exposition itinérante "
        }
    ]


Back to the list

relatedWork
Data type: data table.
Description: data table with URL value of the related object and type of link.
Multi-valued property.
Example:

"relatedWork": [{
            "objectUrl": "https://collections.louvre.fr/ark:/53355/cl010000849",
            "type": "Elément d'un ensemble"
        }
    ]


Back to the list

image
Data type: data table.
Description: data table with specific information for each image.
"UrlImage" indicates the URL of the image file.
"UrlThumbnail" indicates the URL of the thumbnail file.
"Copyright" indicates the legal rights over the image.
"Type" indicates a type of image where appropriate.
"Position" indicates the order of restitution in the entry and starts at value 0.
Multi-valued property.
All use of images must comply with the Terms of Use.
Example:

"image": [{{
            "urlImage": "https://collections.louvre.fr/media/cache/original/0000000021/0000117106/0000562007_OG.JPG",
            "urlThumbnail": "https://collections.louvre.fr/media/cache/small/0000000021/0000117106/0000562007_OG.JPG",
            "copyright": "© 2012 Musée du Louvre / Thierry Ollivier",
            "type": "détail",
            "position": 1
        }
    ]


Back to the list