1950 Census Enumeration District Maps - Maryland (MD) - Baltimore County - Baltimore Vicinity - ED 3-1 to 39, 3-49 to 71, 3-98 to 151, 3-165 to 252, 3-262 to 346, 3-349 to 350

Chicago citation style
Department of Commerce. Bureau of the Census. Office of the Associate Director for Decennial Census. Geography Division. (1/1987 - 7/15/2011). 1950 Census Enumeration District Maps - Maryland (MD) - Baltimore County - Baltimore Vicinity - ED 3-1 to 39, 3-49 to 71, 3-98 to 151, 3-165 to 252, 3-262 to 346, 3-349 to 350. 1880-01-01/1990-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/16684085. (Accessed October 24, 2018.)
APA citation style
Department of Commerce. Bureau of the Census. Office of the Associate Director for Decennial Census. Geography Division. (1/1987 - 7/15/2011), (1880-01-01/1990-12-31) 1950 Census Enumeration District Maps - Maryland (MD) - Baltimore County - Baltimore Vicinity - ED 3-1 to 39, 3-49 to 71, 3-98 to 151, 3-165 to 252, 3-262 to 346, 3-349 to 350. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/16684085
MLA citation style
Department of Commerce. Bureau of the Census. Office of the Associate Director for Decennial Census. Geography Division. (1/1987 - 7/15/2011). Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/16684085>.
Note: These citations are programmatically generated and may be incomplete.