Bigalke, R.

Bigalke, R. 1975. Das Breitmaulnashorn (Ceratotherium simum simum) zum ersten Male in einem Zoo. Zoologische Garten 45 (1): 4-8, figs. 1-3.

Bigalke, R. 1970. Distribution of white rhino. African Wildlife 24 (3): 259.

Bigalke, R. 1968. Nature conservation in the Transvaal. Oryx 9 (6): 426-428, 430, pl. 11.

Bigalke, R. 1966. South Africa’s first Game Reserve (Pongola 1894). Fauna and Flora Transvaal 17: 13-18, 1 map.

Bigalke, R. 1963. Die uitroeiing van breelip- of witrenoster (Ceratotherium simum simum (Burch.)) in Transvaal en sy hervestiging: ‘n historiese en kritiese oorsig. Fauna and Flora 14: 5-14, fig. 1, maps 1-2.

Bigalke, R. 1963. The extermination of the Square-lipped or White rhinoceros (Ceratotherium simum simum (Burch.)) in Transvaal and its reintroduction. A historical and critical review. Fauna and Flora Transvaal 14: 5-14, 2 maps, 3 images.

Bigalke, R. 1961. White rhinos at Pretoria Zoo. International Zoo Yearbook 2: 43-44.

Bigalke, R. 1961. The use of moats in zoological gardens. International Zoo Yearbook 2: 62-66, 4 pages of figures.

Bigalke, R. 1958. On the present status of ungulate mammals in South West Africa. Mammalia 22: 478-497, fig. 1.

Bigalke, R. 1954. The National Zoological Gardens of South Africa, Pretoria. Pretoria: Central News Agency. pp. i-vii, 1-117.

Bigalke, R. 1950. Wild life conservation in the Union of South Africa: historical introduction. Fauna and Flora 1: 5-9, fig. 1.

Bigalke, R.; Steyn, T.; Vos, D. de; Waard, K. de 1950. Observations on a juvenile female square-lipped or white rhinoceros (Ceratotherium simum simum (Burch.)) in the National zoological gardens of South Africa. Proceedings of the Zoological Society of London 120: 519-528, pls. 1-3.

Bigalke, R. 1947. The adulteration of the fauna and flora of our national parks. South African Journal of Science 43: 221-225.

Bigalke, R. 1947. Pretoria Zoo has a baby white rhinoceros. Animal Kingdom 50 (2): 48-55, figs. 1-8.

Bigalke, R. 1946. The regeneration of the anterior horn of the black rhinoceros, Diceros bicornis (Linn.). Proceedings of the Zoological Society of London 115: 323-326, pls. 1-2.