- Agassiz, Alexander, 1835-1910. Report on the Echini by Alexander Agassiz. Crinoids and corals by L. F. de Pourtales, and Ophiurans by Theodore Lyman
- Digital Commonwealth
- Sterling and Francine Clark Art Institute Library
- [s.n.], 1878
3 Albertype illustrations by Harroun and Bierstadt of Echini and 2  Heliotype illustrations by the Heliotype Printing Co."--Hanson Collection catalog, supplement . Forms part of the David A. Hanson Collection of the History of Photomechanical Reproduction. In: Report on the Echini by Alexander Agassiz. Crinoids and corals by L. F. de Pourtalès, and Ophiurans by Theodore Lyman. Cambridge, Mass. : [s.n.], 1878--Title supplied by cataloger.
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