Yazar
earle e spamer
12 cilt bulundu.
Young, Richard A., Earle E. Spamer · Grand Canyon Association
Sayfa sayısı yok · 2003
Congresses / Geology / Geology, united states / Grand canyon (ariz.)
Earle E. Spamer · The Academy of Natural Sciences
Sayfa sayısı yok · 2002
Plant collecting / History / Herbaria / Botanical specimens / Collection and preservation
Earle E. Spamer · Geological Society of America
11 sayfa · 1983
Bibliography / Indexes / Geology / Maps / Fossils
Earle E. Spamer · The Academy
434 sayfa · 1995
Academy of Natural Sciences of Philadelphia / Catalogs / Catalogs and collections / Fossil Vertebrates / Natural history collections
Earle E. Spamer · Grand Canyon Natural History Association
Sayfa sayısı yok · 1990
Bibliography / Natural history / Colorado river and valley / Grand canyon (ariz.)
Earle E. Spamer · Grand Canyon Natural History Association
Sayfa sayısı yok · 1993
Grand canyon (ariz.)
Earle E. Spamer · The Academy
46 sayfa · 2002
Botanical specimens / Collection and preservation / Botany / History / Plant collecting
Earle E. Spamer · The Academy of Natural Sciences
Sayfa sayısı yok · 2002
Plants / Type specimens / Catalogs and collections / Catalogs / Botany
Earle E. Spamer · Grand Canyon Natural History Association
119 sayfa · 1981
Bibliography / Natural history / Colorado river and valley / Grand canyon (ariz.)
Earle E. Spamer · Department of Malacology, Academy of Natural Sciences of Philadelphia
87 sayfa · 1989
History / Geology / Paleontology / Congresses