TY  - BOOK
AU  - Thorndale,William
AU  - Dollarhide,William
TI  - Map guide to the U.S. Federal censuses, 1790-1920
SN  - 0806311886
PY  - 1987///
CY  - Baltimore
PB  - Genealogical Pub. Co.
KW  - United States
KW  - Census
KW  - Maps
N1  - Includes index; Bibliography: p. 399-410
ER  -