Books by J. F. Veldkamp
History of geophysical researc
History of geophysical research in the Netherlands and its former overseas territories
A revision of Heteropholis and
A revision of Heteropholis and Thaumastochloa (Granieae)
A botanical trip to the Burger
A botanical trip to the Burgers Mt. and Mt. Kegum, Papua New Guinea, 1977
Note on Houttuyn's herbarium
Note on Houttuyn's herbarium
Alternanthera Paronychioides S
Alternanthera Paronychioides St Hil. (Amaranthaceae) in Indo-Malesia
A synopsis of the genus Enicos
A synopsis of the genus Enicostema BL., nom. cons. (Gentianaceae)