Open Library Data Dumps

Open Library provides dumps of all the data in various formats. Currently these dumps are generated every month.

OL Dump

This contains dump of latest editions of all the records in Open Library. This is a tab separated file with the following columns:

• type - type of record (/type/edition, /type/work etc.)
  
• key - unique key of the record. (/books/OL1M etc.)
  
• revision - revision number of the record
  
• last_modified - last modified timestamp
  
• JSON - the complete record in JSON format

Dumps:

• editions dump (~ 5.7G)
  
• works dump (~ 1.6G)
  
• authors dump (~ 0.3G)
  
• all types dump (~ 7.8G): includes editions, works, authors, redirects, etc.
  
• complete dump (~ 18.3G): includes all revisions of all the records in Open Library

For past dumps, see: https://archive.org/details/ol_exports?sort=-publicdate

Format of JSON records

A JSON schema for the various types is located at https://github.com/internetarchive/openlibrary-client/tree/master/olclient/schemata

• Author Records: JSON serialization of a type/author
  
• Edition Records: JSON serialization of a type/edition
  
• Work Records: JSON serialization of a type/work

OL Covers Dump

:TODO: