Vulff, E.V., “Introduction to the Historical Geography of Plants”, transl. by Vladimir C. Asmous, undated

Included in this series is an annotated map of the Philippine Islands, additional notes for an article he wrote on the Plants of Hainan Island, a translation of parts of E.V. Vulff’s “Introduction to the Historical Geography of Plants, reviews of some of his publications and a group of reprints of reports on the Harvard Botanical Collections.