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  1. The reconstitution of vineyards in lime soils on suitable American stocks /
    By: Perold, Abraham Izaak, - South Africa. Dept. of Agriculture.
    Publication info: Pretoria :Govt. Print. and Stationery Office,1913.
    Holding Institution: University of California Libraries (archive.org)
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  2. Some viticultural and oenological experiments conducted at the Paarl Viticultural Experiment Station during 1915-1916 /
    By: Perold, Abraham Izaak, - South Africa. Dept. of Agriculture.
    Publication info: Pretoria :Govt. Print. and Stationery Off.,1916.
    Holding Institution: University of California Libraries (archive.org)
    View Book