Harthoorn, A.M. 1980. Exertional myoglobinaemia in black wildebeest and the influence of graduated exercise. Journal of the South African veterinary Association 51 (4): 265-270.
Harthoorn, A.M.; Turkstra, J. 1976. The influence of seasonal changes in the determination of selenium in liver of various animals by neutron activation analysis and high-resolution gamma spectrometry. Journal of the South African veterinary Association 47 (3): 183-186, figs. 1-2, tables 1-3.
Harthoorn, A.M. 1976. The chemical capture of animals: a guide to the chemical restraint of wild and captive animals. London, Bailliere Tindall. 416 pp, 26 plates, numerous figures and tables.
Harthoorn, A.M. 1974. The effects of immobilising drugs on different species of animals. Fauna and Flora Transvaal 25: 12-13, 2 figures.
Harthoorn, A.M. 1970. The flying syringe: ten years of immobilising wild animals in Africa. London, Geoffrey Bles. pp. 1-287.
Harthoorn, A.M. 1968. Problems and hazards of chemical restraint in wild animals. International Zoo Yearbook 8: 215-220.
Harthoorn, A.M. 1966. Restraint of undomesticated animals. Journal of the American Veterinary Medicine Association 149 (7): 875-880, figs. 1-3.
Harthoorn, A.M. 1966. Large animal restraint: a prerequisite for conservation and research. Africana, Nairobi 1966 (7): 19-21.
Harthoorn, A.M. 1966. East Africa's new international Tissue Library. Africana, Nairobi 1966 (8): 15, 17, 19.
Harthoorn, A.M.; Bligh, J. 1965. The use of a new Oviparine derivative with potent morphine-like activity for the restraint of hoofed wild animals. Research in Veterinary Science 6: 290-299, table 1.
Bligh, J.; Harthoorn, A.M. 1965. Continuous radiotelemetric records of the deep body temperature of some unrestrained African mammals under near-natural conditions. Journal of Physiology 176: 145-162, figs. 1-11.
Harthoorn, A.M. 1965. Application of pharmacological and physiological principles in restraint of wild animals. Wildlife Monographs 14: 3-78, figs. 1-7, tables 1-7.
Harthoorn, A.M.; Player, I.C. 1964. The narcosis of the white rhinoceros: a series of eighteen case histories. Tijdschrift voor Diergeneeskunde 89 Suppl 1: 225-229.
Harthoorn, A.M. 1963. Ataractic, hypnotic and narcotic mixtures for the capture and handling of large wild animals. British Veterinary Journal 119: 47-63.
Harthoorn, A.M. 1962. Translocation as a means of preserving animals. Oryx 6 (4) April: 215-227, 4 images.
Harthoorn, A.M. 1962. The capture and relocation of the white (square-lipped) rhinoceros, Ceratotherium simum simum, using drug-immobilizing techniques, at the Umfolozi Game reserve, Zululand, Natal. Lammergeyer 2 (2): 1-9, figs. 1-2, table 1.
Harthoorn, A.M. 1962. Capture of the white (square-lipped) rhinoceros Ceratotherium simum simum (Burchell) with the use of drug immobilization technique. Canadian Journal of Comparative Medicine 26: 203-208, fig. 1, tables 1-3.
Natal Parks Board; Natal Game and Fisheries Board; Harthoorn, A.M. 1961. Rhinos take a ride (to Kruger National Park). South African Scope 4 (9) Nov-Dec): 14, 1 figure.
Harthoorn, A.M. 1961. Methods of control of wild animals with the use of drugs, with special reference to therapeutic and veterinary aspects. International Zoo Yearbook 2: 302-307.
Harthoorn, A.M.; Lock, J.A. 1960. The rescue of rhinoceroses at Kariba Dam. Oryx 5 (6): 352-355, pls. 1-5.
Buechner, H.K.; Harthoorn, A.M.; Lock, J.A. 1960. The immobilization of African wild animals in the field. Proceedings of the Zoological Society of London 135: 261-264, pls. 1-4.
Allbrook, D.B.; Harthoorn, A.M.; Luck, C.P.; Wright, P.G. 1958. Temperature regulation in the white rhinoceros. Journal of Physiology 143: 51P-52P.






