Bibliography Record
| Walker, M. J. | |||
| 1973 | How wild animals help people. Defenders Wildl. News 48: 327-329. | ||
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Weed Control
| 1973 | Walker, M.J. |
Bibliography and Index of the Sirenia and Desmostylia 
| Walker, M. J. | |||
| 1973 | How wild animals help people. Defenders Wildl. News 48: 327-329. | ||
1 related index term
| 1973 | Walker, M.J. |