![[Collotype plates with illustrations from photographs of fossils from Estudo sobre os bilobites e outros fosseis das quartzites da base do systema silurico de Portugal, supplemento]](https://bpldcassets.blob.core.windows.net/derivatives/metadata/commonwealth-oai:jd4733899/image_access_800.jpg)
Digital Commonwealth — Sterling and Francine Clark Art Institute Library
[Collotype plates with illustrations from photographs of fossils from Estudo sobre os bilobites e outros fosseis das quartzites da base do systema silurico de Portugal, supplemento]
Delgado, J. F. N. (Joaquim Filippe Nery), 1835-1908. Estudo sobre os bilobites e outros fosseis das quartzites da base do systema silurico de Portugal · 1887
"10 collotype plates with illustrations from photographs of fossils, more than one to a page, two plates folding. The plates are by M.D. Santos, or J. Leipold, Portugal."--Hanson Collection catalog, p. 85
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