American Permian vertebrates
| Image |  |
|---|---|
| Description | Chicago, Ill., The University of Chicago Press[c1911] |
| Author/s |
author: Samuel Wendell Williston |
| Publication date | 1911 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
| Access work | |
| Copyright status |
public domain in United States. public domain in countries with 80 years pma or shorter. |
| Missing/wrong data? | Edit Wikidata item |