Air Mail Pioneers  
   U.S. Air Mail Service Pioneers aviation history articles. Airmail milestones early pilots. Photographs of antique airplanes. Post Office ran mail 1919-1927. Commercial airlines worldwide origins.
   http://www.airmailpioneers.org/

Lewis and Clark Bicentennial Council  
   Commemorating the legacy of the Lewis and Clark expedition of 1803-1806.
   http://www.lewisandclark200.org/

Lewis and Clark Trail Heritage Foundation  
   The Foundation's mission is to honor the remarkable historic legacy of Lewis and Clark through research, education, preservation, promotion, and coordination.
   http://www.lewisandclark.org/

American Historical Association  
   The professional organization for all historians.
   http://www.theaha.org/

American Jewish Historical Society  
   The organization is interested in history of American Jews.
   http://www.ajhs.org/

Archivists for Congregations of Women Religious  
   ACWR - a roundtable of the Society of American Archivists, was created to address the specialized needs of religious archives.
   http://www.homestead.com/acwr/

National Women's History Project  
   Regarded as "the clearinghouse" for U.S. women's history information and resources, the NWHP site provides excellent links to biography-rich sites for student researchers, program ideas for all constituencies, a downloadable "Test Your Wome
   http://www.NWHP.org/

Heritage Preservation Association  
   Organization acting to protect and preserve the symbols, culture and heritage of the American South.
   http://www.hpa.org/

Constitution Society  
   Comprehensive collection of constitutional materials, including books, articles, and tools.
   http://www.constitution.org/

American Association of the History of Medicine  
   An academic society devoted to the history of medicine and all aspects of health.
   http://www.histmed.org/

Army Historical Foundation  
   Dedicated to the promotion and preservation of the history and traditions of the American soldier.
   http://Armyhistoryfnd.org

US Corps of Topographical Engineers  
   History and techniques of the Corps, emphasizing the Mexican War, western expansion and the Civil War.
   http://www.topogs.org

The Jefferson Legacy Foundation  
   A non-profit, non-partisan organization which promotes education about Thomas Jefferson through film, web, library, outreach, and numerous support programs.
   http://jeffersonlegacy.org/

American Association for State and Local History  
   Provides leadership, service and support for the preservation and interpretation of American state and local history.
   http://www.aaslh.org/

Living History Farms  
   A non-profit, historical, educational foundation located in Urbandale, Iowa, USA.
   http://www.lhf.org/

Labor and Working Class History Association  
   An organization of scholars, union members, students, and citizens promoting a wider understanding of the history of working class people, their communities, and their organizations in the United States.
   http://www.lawcha.org/

American Printing History Association  
   Founded in 1974 to encourage the study of printing history and its related arts and skills, including calligraphy, typefounding, typography, papermaking, bookbinding, illustration, and publishing.
   http://printinghistory.org/

American Antiquarian Society  
   An independent research library focusing on American history, literature, and culture through 1876.
   http://www.americanantiquarian.org/

The Gilder Lehrman Institute of American History  
   The Gilder Lehrman Institute of American History promotes interest in history through lectures, exhibitions, teacher seminars, prizes and fellowships, and electronic resources including an online historical textbook and annotated historical documents.
   http://www.gliah.uh.edu/index.cfm

Maryland Association of History Museums  
   An alliance of historical, cultural, and educational institutions created to speak for and to enhance the professionalism and effectiveness of all organizations that collect, hold, interpret and protect the cultural and material heritage of the State.
   http://www.mahm.org/general.htm

Florida Lighthouse Association  
   A not-for-profit organization dedicated to the preservation of Florida's lighthouses and maritime heritage.
   http://www.floridalighthouses.org/

Isle Royale Natural History Association  
   A non-profit educational organization promotes, in partnership with the National Park Service, the public's understanding, appreciation, and enjoyment of Michigan's Isle Royale National Park and Keweenaw National Historical Park.
   http://www.irnha.org/

The Tejano Association for Historical Preservation  
   A non-profit organization formed in 1989 to identify and preserve buildings and sites that have historical or archaeological significance to the Hispanic, early Texas, French, and native/indigenous cultures.
   http://www.tejanoahp.org/

ASECS American Society for Eighteenth-Century Studies  
   An interdisciplinary group dedicated to the advancement of scholarship in all aspects of the period from the later seventeenth through the early nineteenth century.
   http://www.press.jhu.edu/associations/asecs/

The Independence Hall Association  
   A nonprofit, tax-exempt organization founded in 1942 to spearhead the creation of Independence National Historical Park. Now develops and publishes web content dealing with Philadelphia and 18th-century American history.
   http://www.ushistory.org/iha.html

Three Societies for Men with Revolutionary Ancestors  
   Explanation of the history of and relationships between the Society of the Cincinnati, the Society of the Sons of the Revolution, and the Sons of the American Revolution.
   http://hometown.aol.com/tnsor/3society.htm

Southwest Oral History Association  
   Founded in 1981 to serve practitioners of oral history in Arizona, southern California, Nevada, New Mexico and contiguous areas. Site provides publications list, meetings and workshops, information, and constitution.
   http://soha.fullerton.edu/

Pere Marquette Historical Society, Inc.  
   Comprehensive historical information on the Pere Marquette Railroad, which served Michigan, Ontario, Indiana Illinois, Ohio and Wisconsin. Contains maps, equipment rosters, timelines and photos of preserved equipment.
   http://www.pmhistsoc.org/

Thomas Paine National Historical Association  
   Founded in 1884. Publishes a scholarly journal and provides information on the Revolutionary activist, including a full-text archive of many of his works, as well as membership information, and links to related material.
   http://www.thomaspaine.org/

Navy & Marine Living History Association  
   Founded in 1998 as a non-profit organization to promote education, research, and preservation of America's rich national heritage of the naval services.
   http://www.navyandmarine.org/

Preservation of American Hellenic History  
   A national umbrella website coordinating local, community organizations for the preservation of Greek (Hellenic) American history.
   http://www.pahh.com

Huguenot Society of America  
   Promotes the cause of religious freedom, perpetuates the memory of the Huguenot settlers in America, and commemorates the principal events in Huguenot history.
   http://www.huguenotsocietyofamerica.org/

Wisconsin Lutheran College Student History Association  
   Organization for students interpreting history from a Christian perspective. Meeting, field trip, and other event information; pictures and member listing.
   http://www.geocities.com/wlcsha/

The American Association for History and Computing (AAHC)  
   Dedicated to linking the study of history with computer technology, with annual meeting and prizes, membership, journal archives, constitution, officers and tenure guidelines.
   http://www.theaahc.org/

The White House Historical Association  
   Tas tours, lesson plans, official White House Christmas ornaments, books, and gifts.
   http://www.whitehousehistory.org

The Society of Southwest Archivists  
   Serves over 600 special collections librarians, archivists, preservationists, conservators, and records managers in Arizona, Arkansas, Louisiana, Oklahoma, New Mexico, and Texas.
   http://info.lib.uh.edu/ssa/ssa.htm

Foundation for Ancient Research and Mormon Studies  
   A collection of writings, studies, and information about research on The Book of Mormon and other manuscripts at Brigham Young University.
   http://www.farmsresearch.com/

Montana Historical Society  
   Preserve for future generations representative selection of all historic resources (art, records, books, photographs, oral histories, artifacts, journals, sites, buildings) important to an understanding of Montana history.
   http://www.montanahistoricalsociety.org/

The Alamo Society  
   International organization of professional and amateur historians interested in one or more facets of the Alamo of history and popular culture. Site provides journal articles, links, book reviews, and meeting info.
   http://www.geocities.com/the_alamo_society/

Fort Smith Historical Society Inc.  
   A non-profit organization that locates, identifies, collects and preserves historical data; records oral history; and publishes source materials and historical articles of the Fort Smith area.
   http://www.fortsmithhistory.com/

Friends of the Little Bighorn Battlefield  
   Website includes historical background, board of directors, membership, photos and complete coverage of the Indian Memorial.
   http://www.friendslittlebighorn.com

Discovery Expedition  
   Nonprofit organization rediscovering the legacy of Lewis and Clark through reenactments and other living history programs. Site includes expedition history, photos and other details of bicentennial activities, and other news and information.
   http://www.lewisandclark.net

The National Coordinating Committee for the Promotion of History  
   Advocacy group provides current information on legislation and legislative proposals, hearings, and federal policy issues of concern to historians, archivists, librarians, and the general public.
   http://www.h-net.org/~nch/