The census book : a genealogist's guide to federal census facts, schedules and indexes : with master extraction forms for federal census schedules, 1790-1930
A directory of the eleventh census of the population of Schuylkill County : giving the names and ages of males and females, published by cities, boroughs, wards, townships, precincts or towns, in connection with a business directory of the same for advertising purposes ... together with a brief historical resume of each district, statistics, etc
Poles and Russians in the 1870 census of New York City : full alphabetical index for the second enumeration (with a partial index for the first enumeration)