https://alchetron.com/Carl-Gustav-Calwer
Carl Gustav Calwer - Alchetron, The Free Social Encyclopedia
Jan 23, 2026 - Carl Gustav Calwer (11 November 1821, Stuttgart 19 August 1874, Mineralbad Berg) was a German entomologist who specialised in Coleoptera. He wrote initially...
carl gustav calwerthe freesocialencyclopedia