Graptolites of New York - Ruedemann, Rudolf, 1864-1956. (Albany, New York Education Dept., 1904)
v. 1. Graptolites of the lower beds.--v. 2. Graptolites of the higher beds. 1908.
Issued also in Annual Report of the Museum: pt. 1 in 57th (1903) v. 4.
Bibliography: v. 1, p. [459]-466; v. 2, p. 140-144.
Keywords: Graptolites; Paleontology -- New York (State); Paleontology -- Silurian; Paleontology -- Devonian