TY - BOOK TI - American foulbrood and its control VL - C307 UR - https://www.biodiversitylibrary.org/item/121819 PB - University of California, College of Agriculture, Agricultural Experiment Station CY - Berkeley, Calif PY - 1926 AU - Vansell, George H. (George Haymaker), KW - American foulbrood KW - Bees KW - Diseases ER -