Seventh United States Census - 1850  District of Columbia 

 - Washington, DC  National Archives and Records Service  1960 
<br/><br/> MF-C-037   Wards 1,2,3<br/>MF-C-038   Wards 5,6,7 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>1. Census<br/>2. District of Columbia