TY  - BOOK
AU  - Hitselberger, Mary Fitzhugh
AU  - John Philip Dern
TI  - Bridge in Time, The Complete 1850 Census of Frederick County, Maryland
SN  - 091386074
PY  - 1978///
CY  - Redwood City, CA
PB  - Monocacy Book Company
KW  - 1. Census, Frederick County, Maryland
KW  - 2. Frederick County, Maryland
ER  -