250 Killer Archives
http://oedb.org/library/features/250-plus-killer-digital-libraries-and-archives
Accessible Archives
http://www.accessible-archives.com/collections/
Allen County Public Library
http://www.genealogycenter.org/Home.aspx
Ancestry Card Catalog
http://www.ancestry.com/search/rectype/alldblist.aspx
ArchiveGrid
http://beta.worldcat.org/archivegrid/
Bible Records Index
http://www.learnwebskills.com/patriot/biblerecords.htm
Biographies, Genealogies, and Histories
http://genealogybooklinks.com
Digital Book Index
http://www.digitalbookindex.org
Digital Public Library of America
http://dp.la
Documenting the American South
docsouth.unc.edu
Ebooks
http://www.ebooksread.com
Family Search Historical Books
http://books.familysearch.org
Genealogy Gophers
https://www.gengophers.com/#/
Godfrey Memorial Library
http://godfrey.org/index.html
Google Books
http://books.google.com
Google Scholar
http://scholar.google.com
Hathi Trust
http://www.hathitrust.org
Heritage Quest
http://persi.heritagequestonline.com/hqoweb/library/do/books
Houston Public Library’s Clayton Library Center for Genealogical Research
https://halan.sdp.sirsi.net/client/hou
Internet Archive
http://archive.org/index.php
Library of Congress
http://www.loc.gov/index.html
Mid-Continent Public Library
http://www.mymcpl.org
Online Books Page
http://onlinebooks.library.upenn.edu
Open Library
http://openlibrary.org
Project Gutenberg
http://www.gutenberg.org
Samford University/Government Docs
http://samford.libguides.com/content.php?pid=55322&sid=2794848
State Library links
http://www.libraryspot.com/libraries/statelibraries.htm
Their Own Words
http://deila.dickinson.edu/theirownwords/
World Cat
http://www.worldcat.org
World Vital Records
http://www.worldvitalrecords.com