America: History and Life
http://serials.abc-clio.com/aboutahl.html
Search a sample database
http://serials.abc-clio.com/cgi-bin/nph-AppStart?_appname=ahldemo
America: History and Life is often available in University Libraries for use on campus computers. Check with your local university library for availability. I did a couple of searches in the sample database and found some really neat stuff.

Library of Congress: Catalogs, Collections, and Research Services
http://lcweb.loc.gov/library/
Library of Congress Online Exhibitions
http://lcweb.loc.gov/exhibits/
American Memory Project
http://memory.loc.gov/
National Union Catalog of Manuscript Collections (NUCMC)
http://lcweb.loc.gov/coll/nucmc/nucmc.html

Libraries and Archival Exhibitions on the Web,
a project of the Smithsonian Institution Libraries
http://www.sil.si.edu/SILPublications/Online-Exhibitions/online-exhibitions-title.htm
This new project currently contains over 350 links to online exhibits and growing! Exhibits are listed alphabetically and a keyword search is in the works. If you know of an exhibit that is not yet included, please send it to:

Diane Shaw
Special Collections Cataloger
Smithsonian Institution Libraries
NHB 30
Washington, D.C. 20560-0154
Phone: (202) 357-3161
Fax: (202) 786-2866
e-mail: dshaw@sil.si.edu

USGS Geographic Names Information Server (GNIS)
http://mapping.usgs.gov/www/gnis/gnisform.html

Color Landform Atlas of the United States
http://fermi.jhuapl.edu/states/states.html

U.S. Census Bureau
http://www.census.gov/
A great place for statistics and demographics.

Historical Information Online at Ancestry.com
Ancestry.com members can search the historical databases at Ancestry.com. You can search the Ancestry Biography and History databases, or search using the Advanced Search page.
Enter your keywords and select "Biography & History" from the record type drop down menu.

Ancestry.com members can search the Allen County Public Library's famous periodical database, PERiodical Source Index (PERSI).

Genealogical Library Master Catalog
http://www.ancestry.com/search/rectype/inddbs/3622.htm
Ancestry.com members can search bibliographic references to over 200,000 family histories, genealogies, town and county histories, and other records held by libraries across the United States.

50,000 Bibliographic Sources from the Library of Congress
http://www.ancestry.com/search/rectype/inddbs/3011.htm

Books with More Information
Printed Sources: A Guide to Published Genealogical Records
Edited by Kory L. Meyerink

A Bibliography of American County Histories
Compiled by P. William Filby

Producing a Quality Family History
by Patricia Law Hatcher