Ruedemann Rudolf

The Eurypterida Of New York; Volume 1

The Eurypterida Of New York; 2. Plates

The Eurypterida Of New York: Text

The Eurypterida Of New York; Volume 1

The Eurypterida Of New York: Text

New York State Museum John M. Clarke State Paleontologist Memoir 7 Graptolites Of New York Part 1 Graptolites Of The Lower Beds

The Eurypterida Of New York; 1. Text

Paleozoic Plankton Of North America: Geological Society Of America, Memoir 2