Bibliography and Index of the Sirenia and Desmostylia 
Bibliography Record
| Heilmann, Gerhard | |||
| 1914 | Vor nuvaerende Viden om Fuglenes Afstamning. Tredje Afsnit. [What we know about the descent of birds. Part 3.] Dansk Ornith. For. Tidsskr. 9: 1-91. Figs. 110-159. –Sirs., 90. | ||
Related Index Records
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