Graf Aleksander Fedorovich Keller (1883-1946) - kavalergard of Nicholay II, the founder of the museum of natural science, archeologist and bird ringer
Journal: Русский орнитологический журнал @ornis
Article in issue: 1446 т.26, 2017.
Free access
ID: 140157216 Short address: https://sciup.org/140157216
