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

Библиографические подробности
Соавтор:	Chicago Academy of Sciences. [from old catalog]
Другие авторы:	Ball, John Rice 1881- [from old catalog], Greacen, Katherine Fielding 1913- [from old catalog]
Формат:	‌
Язык:	English
Опубликовано:	Chicago The Chicago Academy of Sciences 1946.
Предметы:	Egan, William Constantine > 1841-1930. [from old catalog]. Invertebrates, Fossil. Paleontology > Silurian. Paleontology > United States.