http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
10 unnumbered pages : illustrations, charts ; 23 cm
by Professor J. E. Duerden, M.Sc. Ph.D, F.Z.S., and V. Bosman, B.Sc.
Reprinted from "The Farmer's Weekly," July 15, 1925.
"Rhodes University College, Grahamstown, Grootfontein, School of Agriculture, Middleburg, South Africa (Preliminary account)."