Stewart, Peggy Lou, 1907-1981
A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas [recurso electrónico] / Peggy Lou Stewart - Project Gutenberg, 2010 - Project Gutenberg 31050 .
Public domain in the USA.
Text
Paleontology -- Pennsylvanian Amphibians, Fossil
QH
A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas [recurso electrónico] / Peggy Lou Stewart - Project Gutenberg, 2010 - Project Gutenberg 31050 .
Public domain in the USA.
Text
Paleontology -- Pennsylvanian Amphibians, Fossil
QH