Your Census Research Companion Census records are a key source for tracing your family tree-and this handy collection puts census-related resources, tips, lists and need-to-know facts at your fingertips! Use The Genealogist's Census Pocket Reference to find • websites with census records and date • questions from each U.S. census 1790 to 1940 • maps of the territory covered in each federal census • a key to common abbreviations • instructions to enumerators population and immigration trends • explanations of special schedules • state and international census resources and so much more! Stash this indispensable book in your computer case, tote bag-or yes, your pocket-and take it with you whenever you research.