Open Library Data Dumps

Open Library provides dumps of all its data, generated every month. All of the dumps are formatted as tab separated files 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): also includes past 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: