Josef SeilernJosef Graf von Seilern und Aspang was an Austrian-Czech ornithologist and oologist. Seilern was primarily interested in the Neotropical avifauna. His collections are held by Moravské zemské muzeum.WorksPartial listCarl [Eduard Hellmayr|Hellmayr, C.E.], and J. von Seilern. 1912. Beiträge zur Ornithologie von Venezuela. Archiv für Naturgeschichte 78A: 34–166.