Catalog of the Egan collection of Silurian invertebrate fossils at the Chicago Academy of Sciences.

Xehetasun bibliografikoak
Erakunde egilea:	Chicago Academy of Sciences. [from old catalog]
Beste egile batzuk:	Ball, John Rice 1881- [from old catalog], Greacen, Katherine Fielding 1913- [from old catalog]
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Chicago The Chicago Academy of Sciences 1946.
Gaiak:	Egan, William Constantine > 1841-1930. [from old catalog]. Invertebrates, Fossil. Paleontology > Silurian. Paleontology > United States.