Kansas Permian insects
Subtitle: Part 1-15
Published: 1923
Place of publication: New Haven
Language: eng
Number of pages: 15
Subjects: Fossil Insects; Paleontology
Notes: Reprinted from the American journal of science, vol. V-XXIII.

Some of the parts are also Contributions from the Paleontological laboratory, Peabody museum, Yale university.

By C.O. Dunbar and R.J. Tillyard.