Books by Frank Springer
Transformers Compendium
Transformers Compendium
Crinoidea Flexibilia (with an
Crinoidea Flexibilia (with an Atlas of A. B. C. and 76 Plates)
Fossil Crinoid Genus Dolatocri
Fossil Crinoid Genus Dolatocrinus and Its Allies
SILVER AGE CLASSICS BRAIN BOY
SILVER AGE CLASSICS BRAIN BOY SOFTEE VOL 02 W SPACE PATROL
North American Crinoidea Camer
North American Crinoidea Camerata; V. 3
American Silurian Crinoids
On the Crinoid Genus Scyphocri
On the Crinoid Genus Scyphocrinus and Its Bulbous Root Camarocrinus : (with 9 Plates)
Macarthur's Far East Air Force
Macarthur's Far East Air Force and the Fall of the Philippines
Unusual forms of fossil crinoi
Unusual forms of fossil crinoids