1983 89, 186 p., 42, 207 figs, 2 maps, paperbound. Entomologische Arbeiten aus dem Museum G. Frey. Band 31-32. Fold in back cover and last few pages, else good copy.Contains 11 smaller papers on Coleoptera (in all 426 p.), including: Wittmer, Beitrag zu einer Revision der Gattung Themus Motsch. (Cantharidae) (51 p., 129 figs).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.