Hazewinkel, J.C.

Hazewinkel, J.C. 1936. Wild animals of Sumatra. Java Gazette 5 (1): i-iv, figs. 1-7.

Hazewinkel, J.C. 1933. A one-horned Javanese rhinoceros shot in Sumatra, where it was not thought to exist. Illustrated London News 1933 December 23: 1018-1019, figs. 1-5.

Hazewinkel, J.C. 1933. Rhinoceros sondaicus in Zuid-Sumatra. Tropische Natuur 22 (6): 101-109.

Hazewinkel, J.C. 1932. Drie heilige olifanten: een spannende jacht. Sumatra Post 5 July 1932: 2.

Hazewinkel, J.C. 1932. A rhino-hunt in Sumatra. Java Gazette 1 (5) Suppl: i-viii, figs. 1-10.