ID:DA07514979
De Graaff, J.
Graaff, Jan de
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Jan de Graaff
Royal Tropical Institute c1993 Development oriented research in agriculture 4
Available at 4 libraries
compiled by Patrick M. Synge with the aid of members of the Lily Committee of the Royal Horticultural Society and other experts, in association with the Royal Horticultural Society ; introduction by Jan de Graaff
Batsford 1980
Available at 2 libraries
Jan de Graaff and Edward Hyams
Nelson 1967 The gardener's library
Available at 1 libraries
F.F. Rockwell, Esther C. Grayson, Jan de Graaff ; Line drawings by Virginia Howie
Doubleday 1961
Barrows 1952 2nd ed.
