File:Hartlaub Gustav 1814-1900.jpgSubject: Gustav Hartlaub 1814-1900 German ornithologist https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
File:FrancolinusKirkiHartlaub.jpgVogel Ost-Afrikas. Baron Carl Claus von der Decken's Reisen in Ost-Africa. Bd. 4 (1870) Author Finsch, Otto (1839-1917); Hartlaub, Gustav, (1814-1900)
File:FalcoConcolorHartlaub.jpgVogel Ost-Afrikas. Baron Carl Claus von der Decken's Reisen in Ost-Africa. Bd. 4 (1870) Author Finsch, Otto (1839-1917); Hartlaub, Gustav, (1814-1900)