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Digital Commonwealth — Sterling and Francine Clark Art Institute Library
[Albertype and heliotype illustrations in Report on the Echini by Alexander Agassiz. Ophiurans and Astrophytons by Theodore Lyman]
Agassiz, Alexander, 1835-1910. Report on the Echini by Alexander Agassiz. Crinoids and corals by L. F. de Pourtales, and Ophiurans by Theodore Lyman · 1878
"3 Albertype illustrations by Harroun and Bierstadt of Echini and 2 [3] Heliotype illustrations by the Heliotype Printing Co."--Hanson Collection catalog, supplement [3]
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