Rowan, M.K. 1964. Watch the doves. Cape Bird Club Newsletter 74:3-4.
Rowan, M.K. 1964. Sparrow enquiry. Cape Bird Club Newsletter 74:4.
Rowan, M.K. 1964. Birds and the farmer. Lantern 14:45-51.
Rowan, M.K. 1964. Foliage-bathing by birds. Natal Bird Club News Sheet 110:1-2.
Rowan, M.K. 1964. Little Bittern at Groenvlei. Outeniqua Bird Club Newsletter 15:4.
Siegfried, W.R. 1964. Cattle Egrets with red rings. Cape Bird Club Newsletter 73:4.
Skead, C.J. 1964. Bird-life in the eastern Cape. Lantern 14:78-81.
Skead, C.J. and Winterbottom, J.M. 1964.The garden route, eastern Cape and Transkei excursion. Bokmakierie 16:31-34.
Winterbottom, J.M. 1964. Notice (re cufflinks). Bokmakierie 16:15.
Winterbottom, J.M. 1964. Review: Bull. Internatn. Comm. Bird Preserv. 9. Bokmakierie 16:20a.
Winterbottom, J.M. 1964. An expedition to the Etosha Pan Game Reserve. Bokmakierie 16:18-20.
Winterbottom, J.M. 1964. Who will help to fill the gaps? Cape Bird Club Newsletter 73:6-7.
Winterbottom, J.M. 1964. Avifauna puzzle. Cape Bird Club Newsletter 74:4-5.
Winterbottom, J.M. 1964. European House Sparrows at Darling. Cape Bird Club Newsletter 75:1.
Winterbottom, J.M. 1964.Notes on a field trip to Worcester and Robertson. Cape Bird Club Newsletter 75:2-3.
Winterbottom, J.M. 1964. The most regular and widespread species of birds in the southwestern Cape. Cape Bird Club Newsletter 75:5.
Winterbottom, J.M. 1964. Useful birds. Farmers Weekly 1 January, 15 January - 12 February, 8 April, 27 May, 10 June, 1 July, 15 - 22 July, 9 September, 21 October, 4 - 18 November, 9 December, 23 - 30 December.
Winterbottom, J.M. 1964.Thrushes. Farmers Weekly 14 October.
Winterbottom, J.M. 1964. South African ornithology to-day. Lantern 14:6-8.
Winterbottom, J.M. 1964. The development of ornithology in South Africa. Lantern 14:13-15.
Winterbottom, J.M. 1964. Unique South African birds. Lantern 14:52-56.
Winterbottom, J.M. 1964.Publication of bird weights needed. Ostrich 35:72.
Winterbottom, J.M. 1964. Review: A preliminary report on Black and Martial Eagles in the Laingsburg and Philipstown Divisions (Siegfried Investl Rpt 5 Cape Dept Nature Conservation). Ostrich 35:74.
Winterbottom, J.M. 1964. Review: A description and discussion of threat and anxiety behaviour of Burhinus capensis (Lichtenstein) during incubation (Broekhuysen Zool. Mededel. 39: 240-248). Ostrich 35:125.
Winterbottom, J.M. 1964.Review: Report on bird-ringing for 1962 (Spencer Brit. Birds 56: 477-524). Ostrich 35:125.
Winterbottom, J.M. 1964. Review: Die Vogelberingung in Finnland im Jahre 1961 (Nordstrom Mem. Soc. Fauna Flora Fenn. 39: 4-128). Ostrich 35:125.
Winterbottom, J.M. 1964. Minutes of the annual general meeting of the South African Ornithological Society, held in Cape Town, 23 May 1964. Ostrich 35: 300-303.
Winterbottom, J.M. 1964. Review: Some aspects of taxonomy and relationships of barbets (Capitonidae) (Goodwin Ibis 106: 198-220). Ostrich 35: 314.
Winterbottom, J.M. 1964. South Africa as a bird wonderland. Outlook 15(2): 8-10.
Winterbottom, J.M. 1964. Sommerschule des Percy FitzPatrick Institutes der Universitaet Kapstadt. S.W.A. Scientific Society Newsletter 5(1/2) Ornithologische Arbeitsgruppe Beilage p. 1.
Winterbottom, J.M., Von Maltzahn, H. and Benseler, A. 1964. Birds seen on the FitzPatrick Institute summer school excursions. S.W.A. Scientific Society Newsletter Ornithologische Arbeitsgruppe spec. suppl. 6 pp.