A DESCRIPTION OF THE CODEX WITSENII IN THE SOUTH AFRICAN MUSEUMPublished in JOURNAL OF SOUTH AFRICAN BOTANY, in 1932, in volume 13, pages 1-51PLANTAE NOVAE AFRICANAE. SERIES XXVIIPublished in JOURNAL OF SOUTH AFRICAN BOTANY, in 1932, in volume 13, pages 53-64
PLANTAE NOVAE AFRICANAE. SERIES XXVIIPublished in JOURNAL OF SOUTH AFRICAN BOTANY, in 1932, in volume 13, pages 53-64