Hall, F.W. Rubber experiments on the government plantation, Kampala / F.W. H all. - Kampala : Department of Agriculture, 1927. - 18 p. : ill., figures ; 24 cm. - Department of Agriculture,circular ; no. 18 . At title head : Uganda protectorate. A. -Test of tapping knives .--B :Browns bast. Subjects--Topical Terms: Rubber. Rubber plants. Gov. Doc. Class. No.: G EAU A31 (08) 1/18