Public domain books are our gateways to the past, representing a wealth of history, culture and knowledge that's often difficult to discover.
+ Maintain attribution Tht Goog Xt "watermark" you see on each file is essential for in forming people about this project and helping them find additional materials through Google Book Search. + Keep it legal Whatever your use, remember that you are responsible for ensuring that what you are doing is legal.
Do not assume that just because we believe a book is in the public domain for users in the United States, that the work is also in the public domain for users in other countries.
Nevertheless, this work is expensive, so in order to keep providing tliis resource, we liave taken steps to prevent abuse by commercial parties, including placing technical restrictions on automated querying.
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A public domain book is one that was never subject to copyright or whose legal copyright term has expired.
Whether a book is in the public domain may vary country to country.