By State

• American Folklife Center - From the U.S. Library of Congress 
• American Memory from the U.S. Library of Congress
• BLM GLO Records (1820-1908) - Land Patent records from the Bureau of Land Management General Land Office
  • BLM Visitors Center - Info on how to read land records
• Castle Garden - 1820-1913 Immigration Information
• Digital Quaker Collection - From the Earlham School of Religion
• Footnote.com - Wiki | Direct Link - Documents, Indexes. From Footnote.com with data from the National Archives
• Genealogy Trails - Finding Ancestors Wherever Their Trails Led
• History of the Federal Judiciary - Biographies of Judges, and more from the U.S. Federal Judicial Center
• Medal of Honor Citations - From the U.S. Army Center of Military History
• Memory Projects - From all over the United States
• National Register of Historic Places - From the U.S. National Parks Services
• Nationwide Gravesite Locator - From the United States Department of Veterans Affairs
• Olive Tree Genealogy - Search Free Genealogy databases
• Online Digital Special Collections - From the U.S. Department of Transportation
• The Political Graveyard - The Internet's Most Comprehensive Source of U.S. Political Biography
• Search Land Patents - From the Bureau of Land Management - Government Land Office
• U.S. Genweb - USGenWeb Project
• U.S. National Archives & Record Administration
• Where to Write for Vital Records - From the CDC Center for Disease Control & Prevention

American Civil War

• American Civil War Research Database - Subscription Required
• The Civil War Home Page - Dedicated to the participants, both North and South, in the great American Civil War 1861-1865
• The Civil War in America from The Illustrated London News - From Emory University and the Beck Center
• Civil War Soldiers & Sailor System - From the U.S. National Parks Service
• National Parks Service Civil War Website - From the U.S. National Parks Service
• Sons of Union Veterans of the Civil War National Gravesite Registration Database

Associations/Organizations & Societies Websites

• The Academy of Motion Pictures Arts & Sciences - Official Website
• American Battle Monuments Commission - Official Website
• American-French Genealogical Society - Official Website
• American Historical Society of Germans from Russia - Official Website
• Army Heritage Center Foundation (TAHCF) - Official Website
• German Genealogy Society Palatines to America - Official Website
• National Genealogical Society - Official Website
• Supreme Court Historical Society (U.S.) - Official Website
• Swiss Anabaptist Genealogical Association - Official Website

Occupations & Interests

• Genealogy Research - From the U.S. Railroad Retirement Board
• Researching Lighthouses & Keepers - From the U.S. Coast Guard Office of Historian

Regional Resources

• Lowcountry Africana - From the University of South Florida's Africana Heritage Project

U.S. Mexican War

• Descendants of Mexican War Veterans

Preservation Information & Services (Documents, etc.)

• Preservation & Archives Professionals - The U.S. National Archives 

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