F. R. SchoemanBooksThe diatom flora in the vicinity of the Pretoria Salt Pan, Transvaal, Republic of South Africa I.The B. J. Cholnoky diatom slide collectionDiatoms from sewage works in the Republic of South Africa and South West AfricaAmphora delphinea L. W. BaileyThe diatom flora of southern AfricaAuthor data: Open Library