Yazar
alexander ruthven
28 cilt bulundu.
Cilt sonuçları
Variations and genetic relationships of the garter-snakes
Ruthven, Alexander Grant · United States National Museum
201 sayfa · 1908
Garter snakes / Animals / Variation
The Herpetology of Michigan; Volume 3
Alexander Grant Ruthven, Crystal Thompson · Creative Media Partners, LLC
246 sayfa · 2018
Kategori yok
Naturalist in two worlds
Ruthven, Alexander Grant · University of Michigan Press
162 sayfa · 1963
College presidents / Biography / University of Michigan
A naturalist in a university museum
Ruthven, Alexander Grant · [Alumni press, University of Michigan]
143 sayfa · 1931
Natural history museums
Some problems of the university
Ruthven, Alexander Grant · Director of Alumni Relations [University of Michigan
16 sayfa · 1929
Kategori yok