Author: Roucher Belge, Le. Organe de la Soc. Liègoise d`Apiculture.
Title: Annèe 42 & 43 (1935-1936).
Description: 2 vols in 1. 219,219 pp. Hardcover. Missing January 1935.

Keywords: Entomology Bees Entomologie Tijdschrift