His collections of Collembola are located in the Natural History Museum, London and the Deutsches Entomologisches Institut in Müncheberg.
Julius Caesar | Carl Sagan | Carl Jung | Carl Orff | Carl Maria von Weber | Carl Lewis | Carl Zeiss AG | Carl Linnaeus | Carl Sandburg | Carl XVI Gustaf of Sweden | Sandra Bernhard | Pope Julius II | Carl Levin | Carl Zeiss | Carl Michael Bellman | Carl Friedrich Gauss | Carl Froch | Carl Perkins | William Julius Wilson | Julius Caesar (play) | Carl von Clausewitz | Carl Reiner | Carl Hancock Rux | Carl Gustaf Emil Mannerheim | Carl Edwards | Carl Cox | Carl Bildt | Carl Barks | Julius Rudel | Carl Wilson |