Data Schema (Version 0.5)

Works

A Work has:

• ref (REQUIRED string)
• title (REQUIRED string)
• message (string)
• publication_groups (list of Publication Group items)

Publication Groups

A Publication Group has:

• label (string)
• format (REQUIRED string)
• isbn10 (string)
• isbn13 (string)
• year (integer)
• publisher_editions (list of Publisher Edition items)

Publisher Editions

A Publisher Edition has:

• label (REQUIRED string)
• first_year (REQUIRED integer)
• publisher (string)
• impression_groups (list of Impression Group items)

Impression Groups

An Impression Group has:

• tbn_ref (integer)
• tbn_id (integer)
• publisher (string)
• cover_url (string)
• cover_design (string)
• cover_artwork (string)
• first_year (integer)
• first_impression (integer)
• first_known_impression (integer)
• first_possible_impression (integer)
• last_impression (integer)
• last_known_impression (integer)
• last_possible_impression (integer)
• series (string)
• note (string)
• impressions (list of Impression items)

Impressions

An Impression has:

• impression (REQUIRED integer)
• year (REQUIRED integer)
• copies (integer)