Hartert; Ernst Johann Otto Hartert; E. Hartert; E. J. O. Hartert
* October 29, 1859 – November 11, 1933 †
ornithologist, zoologist
German ornithologist (1859-1933)
https://www.wikidata.org/wiki/Q62824
https://en.wikipedia.org/wiki/Ernst_Hartert [View]
Germany