Schenkel, R.; Schenkel, L. 1982. What future for Javan rhinos?. Oryx 16 (5): 393-394.
Schenkel, R.; Schenkel, L. 1982. Situation of the Javan rhino in Ujung KUlon National Park: Assessment in March 1982 after the sudden death of five rhinos. Gland, IUCN-WWF Report submitted 2 April 1982: 1016.
Schenkel, R.; Schenkel, L. 1982. Mystery of dead Javan rhinos. Environmentalist 2 (3): 265, fig. 1.
Schenkel, R.; Schenkel, L. 1981. The Asian rhinos are also under threat. Tiger Paper 8 (1): 20, fig. 1.
Schenkel, R.; Schenkel, L. 1980. The Asian rhinos are also under threat. IUCN Bulletin NS 11 (1/2): 14.
Schenkel, R.; Schenkel, L.; Ramono, W.S. 1978. Area management for the Javan rhinoceros, a pilot study. Malayan Nature Journal 31 (4): 253-275, pl. 1, figs. 1-4, tables 1-7.
Schenkel, R.; Schenkel, L. 1977. Udjung Kulon nature reserve protection and management programme. WWF Yearbook 1976-1977: 129-132.
Schenkel, R.; Schenkel, L. 1975. Project 1064/65: Udjung Kulon Nature Reserve, Java. WWF Yearbook 1974-1975: 173-174.
Schenkel, R.; Schenkel, L. 1974. Project 839/840: Udjung Kulon Nature Reserve, Java: scientific program and management. WWF Yearbook 1973-1974: 176-178.
Schenkel, R.; Schenkel, L. 1973. Project 839/840: Protection and management of the Udjung Kulon National Park for the Javan rhinoceros and other species. WWF Yearbook 1972-1973: 128-132.
Schenkel, R.; Schenkel, L. 1972. The present status of rhinos in Indonesia. Biological Conservation 4 (4): 308-309, table 1.
Schenkel, R.; Schenkel, L. 1970. Javan rhinos. Animals 13 (1): 38, fig. 1.
Schenkel, R.; Schenkel, L. 1969. The last remnants of the Javan rhinoceros in Udjung Kulon Nature Reserve, Java. Biological Conservation 2 (1): 68-70, figs. 1-2.
Schenkel, R.; Schenkel, L. 1969. Report on a survey trip to Riau area and the Mt Leuser Reserve to check the situation of the Sumatran rhino and the Orang utan (21 August to 13 Septembr 1969). Report to WWF. pp. 1-7.
Schenkel, R.; Schenkel, L. 1969. Nashoerner vom Aussterben bedroht. Umschau 69: 760-763, figs. 1-4.
Schenkel, R.; Schenkel, L. 1969. Ecology and behaviour of the black rhinoceros (Diceros bicornis L): a field study. Hamburg and Berlin, Paul Parey (Mammalia Depicta). pp. 1-101, figs. 1-27, tables 1-7.
Schenkel, R.; Schenkel, L. 1969. The Javan rhinoceros (Rh. sondaicus Desm.) in Udjung Kulon Nature Reserve: its ecology and behaviour: Field study 1967 and 1968. Acta Tropica 26 (2): 97-135, figs. 1-9, tables 1-9.
Schenkel, R.; Schenkel, L. 1968. The first Javan rhino calf. Oryx 9 (6): 397.






