Information sur la source Répertoire géographique des États-Unis, 1854 [base de données en ligne]. Provo, UT, USA: Operations Inc, 1997.
Données originales : Baldwin, Thomas. New and Complete Gazetteer of the United States. Philadelphia, PA, USA: Lippincott, Grambo, & Co., 1854.

 Répertoire géographique des États-Unis, 1854

This large and important database contains the statistics and information obtained from the 1850 Census, including the population of states, counties, and townships, and agricultural and other statistics of the counties.