TY - BOOK AU - E.O. Essig TI - Insects of Western North America : Manual and Textbook for Students in Colleges and Universites and a Handbook for Country, Stat U1 - 595.7097 PY - 1953/// CY - New York PB - Macmillan Co N1 - E.O. Essig: Insects of Western North America : Manual and Textbook for Students in Colleges and Universites and a Handbook for Country, State and Federal Entomologists and Etc.. New York. Macmillan Co, 1953.--(595.7097ESS) ER -