Catalog of the Egan collection of Silurian invertebrate fossils at the Chicago academy of sciences
By: by John R. Ball and Katherine F. Greacen.
Contributors: Greacen, Katherine Fielding, 1913-
Series: Its. Special publication -- no.7.; Special publication (Chicago Academy of Sciences) -- no. 7.
Publisher: The Chicago academy of sciences
Published: 1946
Place of publication: Chicago
Language: eng
Number of pages: 55
Subjects: Egan, W. C. -- 1841-1930.; Invertebrates, Fossil.; Paleontology -- Silurian.; Paleontology -- United States.
Notes: Bibliography: p. 52-54.