Some viticultural and oenological experiments conducted at the Paarl Viticultural Experiment Station during 1915-1916 /
Pretoria :Govt. Print. and Stationery Off.,1916.
University of California Libraries (archive.org)
Evidence reported by judyjordan for item someviticultural00perorich on April 25, 2007: no visible notice of copyright; stated date is 1916.