Apidae europaeae (Die bienen Europa's) per genera Schmiedeknecht, Otto, 1847-1936 creator text book Berolini 1882-84 1882 1884
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LAT Imprint of v. 2: Sumtibus auctoris. Prostat Berolini apud R. Friedländer & filium. Latin, German or French. Issued in twelve parts; paged continuously. Bees Europe QL568.A6 S22 https://www.biodiversitylibrary.org/bibliography/14097 18582179 10.5962/bhl.title.14097 CUY