Johnson, R. Roy
1 publication
| Jones, J. Knox, Jr.; Johnson, R. Roy (detail) | |
| 1967 | Sirenians. In: S. Anderson & J. K. Jones, Jr. (eds.), Recent mammals of the world: a synopsis of families. New York, Ronald Press (453 pp.): 366-373. Fig. 62. — |
Bibliography and Index of the Sirenia and Desmostylia 
1 publication
| Jones, J. Knox, Jr.; Johnson, R. Roy (detail) | |
| 1967 | Sirenians. In: S. Anderson & J. K. Jones, Jr. (eds.), Recent mammals of the world: a synopsis of families. New York, Ronald Press (453 pp.): 366-373. Fig. 62. — |