1951 103 + 108, 56 + 113, 29, 126 p., 2, 2, 1 plates, paperbound. Entomologische Arbeiten aus dem Museum G. Frey. Band 2(1-2). Includes also a few smaller papers (in all 581 pages). Partly unopened copy.Georg Frey (1902-1976) was a wealthy businessman and a entomologist working on Scarabaeidae. Frey was able to create (in 1950) his own Coleoptera museum, the Museum G. Frey, which was the world's largest private collection of beetles (three million specimens, approximately 150.000 species, including 20.000 types!). Frey also began the journal Entomologische Arbeiten aus dem Museum G. Frey, which was published in 56 volumes. The last one was published in 1987.