TY  - BOOK
TI  - Population Schedules of the Fourth Census of the United States, 1820, Roll 45: Maryland
PY  - 1960///
CY  - Washington, DC
PB  - National Archives and Records Service
KW  - 1. Census
KW  - 2. Maryland, Census
N2  - Queen Anne's, St. Mary's, Somerset Counties
ER  -