R. Barker

Taxonomic notes on the species figured by H. B. Brady in his report on the foraminifera dredged by H. M. S. Challenger during the years 1873-1876, accompanied by a reproduction of Brady's plates

H. B. Brady, R. Barker, 1960 .

Towards a revision of the Hakea epiglottis Labill. (Proteaceae) complex of Tasmania

R. Barker, 1991 .