Bibliography Record
| Cope, Edward Drinker | |||
| 1887 | The origin of the fittest. Essays on evolution. New York: xx + 467. 81 figs. –Sirs., 342. | ||
Related Index Records
None Found
Bibliography and Index of the Sirenia and Desmostylia 
| Cope, Edward Drinker | |||
| 1887 | The origin of the fittest. Essays on evolution. New York: xx + 467. 81 figs. –Sirs., 342. | ||
None Found