| Czech and Slovak Genealogical Society of Arizona: Provides meetings with genealogical research materials, a journal with articles and queries, and leads to surnames and websites in their email news. |
| Czechoslovak Genealogical Society International: Interested in the Czech and Slovak genealogy and heritage. |
| East European Genealogical Society: Non-profit organization identifying and marshaling genealogical resources for east European research. |
| German-Bohemian Heritage Society: Promoting, developing, and maintaining the German-Bohemian culture and heritage. Help with individual research. |
| National Czech & Slovak Museum & Library: Contains information about exhibits, programs, and events. |
| Texas Czech Genealogical Society: Non-profit organization working of projects to promote genealogy. Current events, members, and members family links. |
| The Moravian Genealogical and Heraldric Society: Concerned on Moravian family history, projects on genealogy, coins, orders, and flags. |
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