Biodiversity Heritage Library
By "Springer, Frank. "
Hypsocrinus, a new genus of crinoids from the Devonian / By Frank Springer and Arthur Ware Slocom -- ; Oliver Cummings Farrington --
By: Springer, Frank. - Farrington, Oliver C. - Slocom, Arthur Ware, - Field Columbian Museum.
Publication info: Chicago :Field Columbian Museum ,1906.
Contributed by: 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.
Contributed by: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library