1. Baird, G.C. and Brett, C.E. New York State Geological Association Guidebook. 53rd Ann. Mtg. Submarine discontinuities and sedimentary condensation in the upper Hamilton Group (Middle Devonian): examination of marine shelf and paleoslope deposits in the Cayuga Valley, Edited by: Enos, P. pp.115–145.
2. Notes on the structure of the Crinoidea, Cystidea and Blastoidea