Rowan, M.K. 1963. Range of the Cliff Swallow. Ostrich 34: 181-182.
Rowan, M.K. and Winterbottom, J.M. 1963. A new bird for the South African list. Ostrich 34: 249-250.
Skead, C.J. 1963. Contents of pellets of Barn Owl Tyto alba at a rural roost. Ostrich 34: 171-172.
Winterbottom, J.M. 1963. Check list of birds of the south western Cape. Cape Town: Cape Bird Club: 75 pp.
Winterbottom, J.M. 1963. The South African subspecies of the Buffy Pipit, Anthus vaalensis Shelley. Annals of the South African Museum 46: 341-352.
Winterbottom, J.M. 1963. A new subspecies of the Yellow Canary Serinus flaviventris. Bulletin of the British Ornithologists' Club 83: 137-138.
Winterbottom, J.M. 1963. Index to the Ostrich, vol. XXXIII, 18 pp.
Winterbottom, F.M. [sic = J.M.] 1963. Systematic notes on birds of the Cape Province. XXIII. Nectarinia chalybea. Ostrich 34: 155-156.
Winterbottom, J.M. 1963. Notes from Namaqualand and Bushmanland. Ostrich 34: 156-159.
Winterbottom, J.M. 1963. Systematic notes on birds of the Cape Province. XXII. Buteo buteo (L.). Ostrich 34: 165-166.
Winterbottom, J.M. 1963. House Sparrow at Piquetberg. Ostrich 34: 166.
Winterbottom, J.M. 1963. Status of Himantopus himantopus meridionalis. Ostrich 34: 254.
Winterbottom, J.M. 1963. Avian breeding seasons in southern Africa. Proceedings of the International Ornithological Congress 13: 640-648.
Winterbottom, J.M. 1963. Comments on the ecology and breeding of sandplovers Charadrius in southern Africa. Revue de Zoologie et de Botanique Africaines 67: 11-16.
Winterbottom, J.M. 1963. A list of the birds of the Clanwilliam District. South African Avifauna Series 12: 1-24.
Winterbottom, J.M. 1963. Pesticides and wild life. South African Journal of Science 59: 413-414.
Winterbottom, J.M. 1963. Need for biological and archaeological survey. South African Journal of Science 59: 502-503.
Winterbottom, J.M. 1963. The Antarctic fauna. South African Journal of Science 59: 559-560.