| Citation | Gudger, E.W., 1912. George Marcgrave, the first student of American natural history. Popular Science Monthly 81:250-274. |
| DOI / ISBN | |
| PDF/Reference URL | https://archive.org/details/popularsciencemo81newy/page/250/mode/2up |
| Ref. No. | 135042 |
| Language | English |
| Usage | not used yet |
| Comments on the publication | 5 figs. Reproduces figures and descriptions of fishes of Brazil. Contains an extensive bibliography. |
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