Researches on the vegetation of Natal /
John Wiliam Bews; Series 1-2 by J. W. Bews and R. D. Aitken.
- Pretoria : The Government Printing and Stationery Office, 1923 -1925
- 2 v. : ill., diagrs. ; 25 cm.
- South Africa. Dept. of Agriculture Botanical survey. Memoir ; no. 5 ; 8 .