Welsh, Jr., Hartwell H.
| 1990 | "Predation by Thamnophis couchii on Dicamptodon ensatus" in Journal of Herpetology |
| 1988 | "Old growth forests and the distribution of the terrestrial herpetofauna" in Management of Amphibians, Reptiles, and Small Mammals in North America Conference |
| 1988 | "An Ecogeographic Analysis of the Herpetofauna of the Sierra San Pedro Martir Region, Baja California, with a Contribution to the Biogeography of the Baja California Herpetofauna" in Proceedings of the California Academy of Sciences |
| 1987 | "Monitoring herpetofauna in woodland habitats of northwestern California and southwestern Oregon: A comprehensive strategy" in Multiple-Use Management of California's Hardwood Resources Proceedings |
| 1986 | "Monitoring Frogs and Toads on Region 5 National Forests" in FHR Currents |
| 1976 | "Ecogeographic distribution of the herpetofauna of the Sierra San Pedro Martir region, Baja California de Norte, Mexico" in Theses and Dissertations |