Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge. Edited by William B. Scott.

v.3:pt.4 (1910)

Thesaurus capensis :or, illustrations of the South African flora, being figures and brief descriptions of South African plants, selected from the Dublin University Herbarium /by William H. Harvey.

v. 1

Thesaurus capensis :or, illustrations of the South African flora, being figures and brief descriptions of South African plants, selected from the Dublin University Herbarium /by William H. Harvey.

v. 2

The planktonic freshwater species of Microcystis, by Francis Drouet ... and William A. Daily.

v.20:no.3(1939)

Flora Costaricensis / William Burger, editor.

v.40(1977)

Notes on the flora of Costa Rica, I / [by] William C. Burger.

v.31:no.11(1968)

Flora Costaricensis / William Burger, editor.

n.s. no.36(1995)