On a collection of birds made by Dr. Ernst Mayr in northern Dutch New GuineaErnst Hartert · First published 1930Open the Tome
Aus de Wanderjahren Eines Naturforschers. Reisen und Forschungen in Afrika, Asien und Amerika ... Meist Ornithologischen StudienErnst Hartert · First published 2018Open the Tome
On the Birds of the Islands of Aruba, Curaçao, and BonaireErnst Hartert · First published 1893 · Latest edition 2018Open the Tome
The birds of Buckinghamshire and the Tring ReservoirsErnst Hartert, F. C. R. Jourdain · First published 1920Open the Tome
Ornithological explorations in AlgeriaRothschild, Lionel Walter Rothschild Baron, Ernst Hartert · First published 1912Open the Tome
Aves : Trochilidae, aus : das TierreichErnst [Bearb. ] Hartert, Heinz Wermuth, Robert Mertens, Franz Eilhard Schulze, Richard Hesse · First published 1900Open the Tome
Under the African Sun: A Description of Native Races in Uganda, Sporting ...William John Ansorge, Ernst Hartert · First published 1899Open the Tome
An account of the collections of birds made by Mr. William Doherty in the Eastern ArchipelagoErnst Hartert · First published 1896Open the Tome
Catalogue of the Picariæ in the collection of the British MuseumOsbert Salvin, Ernst Hartert · First published 1892Open the Tome
