Author talk:Ernst Hartert

Other copies of Hartert 1893
Hartert 1893: same scan available in: IA, see also, and a different scan in HathiTrust Digital Library.

--Dick Bos (talk) 16:23, 21 August 2019 (UTC)

Other copies of Hartert c.s. 1912
Concerning Hartert c.s. 1912: The same scan also available in: IA, and see.

--Dick Bos (talk) 16:23, 21 August 2019 (UTC)