Author Details for "O'Brien, P.J."
| Title | Author(s) | Publication | Year | Online Access |
|---|---|---|---|---|
| A mastodon from Stanton County, Kansas | O'Brien, P.J. | Kansas Academy of Science, Transactions vol. 81, no. 4, pp. 371-376 | 1978 | N/A |
| A mastodon(?) tusk from Manhattan, Kansas | O'Brien, P.J. | Kansas Academy of Science, Transactions vol. 71, no. 1, pp. 90-91 | 1968 | N/A |