Author: Coomans, H.E., 1974.:
Title: Life and malacological work of Hendrik Elingsz Rijgersma (1835-1877), a Dutch physician and scientist on St. Martin, Netherlands Antilles.
Description: Amsterdam. 4to. Pp. [iv],115-214, 1 portrait, 25 illustr. In text, bibliogr. Orig. printed wrappers. Faint trace of use but a good copy yet. - Doctoral thesis. Printed separately from Bijdragen tot de Dierkunde, vol. 44.

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