Little journeys to homes of great scientists ... written by Elbert Hubbard ...

bk. 2

Little journeys to homes of great scientists ... written by Elbert Hubbard ...

bk. 1

New and little known genera and species of vertebrates from the Lower Permian of Oklahoma / [by] Everett C. Olson -- [Patricia M. Williams, editor]

v.18:no.3(1970)

Excavations in the upper Little Colorado drainage, eastern Arizona / [by] Paul S. Martin [and] John B. Rinaldo.

v.51:no.1(1960)