Beginning in the 1840s and continuing until his death, Dr. Asa Fitch (1809-1878) of Salem, NY, interviewed elderly neighbors, questioning them about the time of first European settlement, the Revolutionary War, and the first decades of the 19th century. Fitch was more than just a medical doctor. By the 1850s, he ranked as a world-famed entomologist, with important discoveries about insect life to his credit. He turned his precise, scientific mindset to good account in his oral history work. He seems to have functioned almost like a human tape recorder, transcribing and preserving vivid,...