Digital Public Library of America
DPLA is like a library catalog of freely viewable online documents, books, photographs, maps, and so forth from many libraries, archives, and museums across America. They call themselves a portal rather than a catalog because they have a rich search experience that includes timeline, map, format, partner, and subject.
Click here.
FamilySearch Digital Library
More than 500,000 digitized genealogy and family history publications from many libraries.
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HeritageQuest
Available through Pikes Peak Library District with card number. Click on "HeritageQuest," then "Search," and "Search Books." Enter a name. More than 28,000 local and family histories are offered. Many are family history books or county histories.
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Internet Archive
Click on the book icon to search books and other texts. This site includes a link to the Wayback Machine, a website archive, useful for finding content from genealogy websites that no longer exist.
Click here.
Project Gutenberg
Project Gutenberg is a library of more than 75,000 free eBooks. Choose among free epub and Kindle eBooks, download them or read them online. You will find the world's great literature here, with focus on older works for which U.S. copyright has expired. Thousands of volunteers digitized and diligently proofread the eBooks, for enjoyment and education.
Click here.