Report to the government of Ceylon on the pearl oyster fisheries of the gulf of Manaar, by W.A. Herdman ... With supplementary reports upon the marine biology of Ceylon, by other naturalists. Pub. at the request of the colonial government by the Royal society.

pt.2 (1904)

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 of West Virginia, by Charles Frederick Millspaugh and Lawrence William Nuttall.

v.1:no.2(1896)

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)