| America's First Families: Online genealogy society dedicated to honoring 1600s American Colonial ancestors. |
| Association of Personal Historians: Help people preserve their memories and personal history by advancing the efforts of personal historians (to help others record their life stories) and encouraging personal history activities of all kinds such as writing groups or memoir readings. |
| Association of Professional Genealogists (APG): Professional Association for all genealogists supporting high standards in the field of genealogy, with over 1,000 members worldwide. |
| Aztec Club of 1847 - Military Society of the Mexican War: Founded by American officers during the Mexican War. Represents most of the major figures of the war and a significant portion of those whose fame would come in the Civil War. Serves as a reference on the Mexican War, with historical journals, biographies, photographs, contemporary artwork, battle statistics and maps, chronologies. Over 100 biographies of War of Southern Independence generals, from both Union and Confederacy. |
| British Isles Family History Society - USA: Group membership information and resources for family history particularly relating to British Isles ancestry. |
| Bukovina Society of the Americas: Organization which promotes a respect for and recognition of the history and accomplishments of the immigrants from Bukovina. |
| Federation of Family History Societies: Aims to co-ordinate and assist the work of societies or other bodies interested in Family History, Genealogy and Heraldry. |
| Federation of Genealogical Societies: Founded in 1976, the society has three major purposes: serving the needs of its member societies, providing products and services needed by member societies, and marshaling the resources of its member organizations. These purposes are accomplished through an annual conference, a periodical called the FGS Forum, numerous publications, and FGS sponsored projects. |
| National Archives and Records Administration: This is a US based site with information pertaining to USA but has links elsewhere. NARA's Mission is described below. to ensure ready access to essential evidence . that documents the rights of American citizens, the actions of federal officials, and the national experience . . . |
| National Genealogical Society: A service organization that leads and educates the national genealogical community and assist members in tracing family histories. |
| Order of Descendants of Ancient Planters: The term "Ancient Planter" is applied to those persons who arrived in Virginia before 1616, remained for a period of three years, paid their passage, and survived the massacre of 1622. They received the first patents of land in the new world as authorized by Sir Thomas Dale in 1618 for their personal adventure. |
| RAND Genealogy Club: Forum for RAND employees to discuss genealogy. |
| State and Local Genealogical Societies: Index of links for U.S. societies. |
| The USGenWeb Project: A group of volunteers working together to provide Internet websites for genealogical research in every county and every state of the United States. |
| United States Internet Genealogical Society: Source documents online and accessible to family and other historians on the web for free. |
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