Genealogists and other historical researchers have valued the first two editions (1984, 1997) of this work, often referred to as "the genealogist's bible." The new edition continues that tradition, and many libraries will want to acquire it. This time around, technological advances have drastically altered genealogical research. Computers and the Internet make many sources more accessible and more easily searched, and genetic data has entered the scene.Intended as a handbook and a guide to selecting, locating, and using appropriate primary and secondary sources, The Source also functions as an instructional tool for novice genealogists and a refresher course for experienced researchers.