Published in Journal of South African botany, in 1962, in volume 28, pages 1-2
Published in Journal of South African botany, in 1962, in volume 28, pages 3-7
Published in Journal of South African botany, in 1962, in volume 28, pages 9-19
Published in Journal of South African botany, in 1962, in volume 28, pages 21-44
Published in Journal of South African botany, in 1962, in volume 28, pages 45-195
Published in Journal of South African botany, in 1962, in volume 28, pages 197-203
Published in Journal of South African botany, in 1962, in volume 28, pages 205-207
Published in Journal of South African botany, in 1962, in volume 28, pages 209-213
Published in Journal of South African botany, in 1962, in volume 28, pages 215-217
Published in Journal of South African botany, in 1962, in volume 28, pages 219-230
Published in Journal of South African botany, in 1962, in volume 28, pages 231-236
Published in Journal of South African botany, in 1962, in volume 28, pages 237-242
Published in Journal of South African botany, in 1962, in volume 28, pages 243-253
Published in Journal of South African botany, in 1962, in volume 28, pages 255-257
Published in Journal of South African botany, in 1962, in volume 28, pages 259-268
Published in Journal of South African botany, in 1962, in volume 28, pages 269-277
AN ANNOTATED CHECK-LIST OF THE EPIPHYTIC ORCHIDS OF SOUTH AFRICA WITH KEYS TO THE GENERA AND SPECIES
Published in Journal of South African botany, in 1962, in volume 28, pages 279-286
Published in Journal of South African botany, in 1962, in volume 28, pages 287-289
Published in Journal of South African botany, in 1962, in volume 28, pages 291-303