Institutional Books 1.0 releases 983,004 public-domain volumes (242 billion tokens). They come from 1,075,899 Harvard Library volumes in over 250 languages that Google Books scanned.

“originally spanning 1,075,899 volumes written in over 250 different languages for a total of approximately 250 billion tokens. As part of this initial release, the OCR-extracted text (original and post-processed) as well as the metadata (bibliographic, source, and generated) of the 983,004 volumes, or 242B tokens, identified as being in the public domain have been made available.”

• Text and archives

It is shown on its own, not counted into a figure.

• All supply facts
• As a table, with the rest of the market
• How every number on the site traces to its records