The Historical Childrens' Literature database chronicles by example the history of educational practice and reading, and the changing perceptions of gender, race and class and the role of religion in teaching. Both European and American books from the 18th to the 20th c. are represented in this collection. 

The World Digital Library is available from the Library of Congress and is supported by the United Nations Educational, Scientific and Cultural Organization.

Girlebooks is an excellent resource for classic and contemporary ebooks by female writers. 

The Library of Congress (LOC) is the largest library in the world, with millions of books, recordings, maps, and manuscripts in its collections. The Library is the main research arm of the U.S. Congress and the home of the U.S. Copyright Office.

The Library preserves and provides access to a rich, diverse and enduring source of knowledge to inform, inspire and engage you in your intellectual and creative endeavors. Whether you are new to the Library of Congress or an experienced researcher, the LOC has a world-class staff ready to assist you online and in person.

Explore the Library online from wherever you are! Like the LOC on Facebook and other social media sites!

The Digital Book Index provides links to more than 165,000 full-text digital books from more than 1800 commercial and non-commercial publishers, universities, and various private sites. More than 140,000 of these books, texts, and documents are available free. (excerpt from The Digital Book Index website)