Biodiversity Heritage Library
By "Springer, Frank. "
Hypsocrinus, a new genus of crinoids from the Devonian /
By: Springer, Frank. - Farrington, Oliver C. (Oliver Cummings), - Slocom, Arthur Ware, - Field Columbian Museum.
Publication info: Chicago :Field Columbian Museum ,1906.
Holding Institution: University Library, University of Illinois Urbana Champaign
The North American Crinoidea camerata / by Charles Wachsmuth and Frank Springer.
By: Wachsmuth, Charles, - Springer, Frank, - Springer, Frank.
Publication info: Cambridge, U.S.A. :Printed for the Museum,1897.
Holding Institution: Multiple institutions