Clancey, P.A. and Winterbottom, J.M. 1961. On racial variation in Zosterops pallida Swainson, sens. strict. Bulletin of the British Ornithologists' Club 81: 35-36.
Pocock, F.S., Pocock, T.N. and Winterbottom, J.M. 1961. Additions to the list of the birds of Oudtshoorn. Ostrich 32: 137.
Rowan, M.K. 1961. Distribution of the races of the Blackheaded Canary Serinus alario. Ostrich 32: 134.
Rowan, M.K. 1961. Breeding of Purple Heron at Verloren Vlei. Ostrich 32: 145-146.
Skead, C.J. 1961. Chaffinch, Fringilla coelebs Kenton-on-Sea. Ostrich 32: 189.
Winterbottom, J.M. 1961. Note on the relations of the species of wagtails. Bulletin of the British Ornithologists' Club 81: 46-47.
Winterbottom, J.M. 1961. Expansion of the range of the House Sparrow. Cape Department of Nature Conservation Report 16: 92-94.
Winterbottom, J.M. 1961. The birds of Vrolijkheid. Cape Department of Nature Conservation Report 16: 121-123.
Winterbottom, J.M. 1961. Index to the Ostrich, vol. XXXI, 16 pp.
Winterbottom, J.M. 1961. Review: Our birds, second series (von Michaelis & Bird). Ostrich 32: 53.
Winterbottom, J.M. 1961. Ringed albatross recovered. Ostrich 32: 96.
Winterbottom, J.M. 1961. Systematic notes on birds of the Cape Province XIV. Alcedo cristata (Pallas). Ostrich 32: 97-98.
Winterbottom, J.M. 1961. Systematic notes on birds of the Cape Province : XV. Certhilauda albofasciata (Lafresnaye). Ostrich 32: 98.
Winterbottom, J.M. 1961. African Jacana in the Richtersveld. Ostrich 32: 99.
Winterbottom, J.M. 1961. Origin of the genus Calandrella Kaup. Ostrich 32: 99-100.
Winterbottom, J.M. 1961. Transfer of the name Anas punctata Burchell from the Hottentot Teal to the Maccoa Duck. Ostrich 32: 134-135.
Winterbottom, J.M. 1961. Systematic notes on birds of the Cape Province. XVI Onychognathus nabouroup (Daudin). Ostrich 32: 137-139.
Winterbottom, J.M. 1961. Systematic notes on birds of the Cape Province. XVII - Larus cirrocephalus Vieill. Ostrich 32: 139-140.
Winterbottom, J.M. 1961. Mutant white-eye. Ostrich 32: 183.
Winterbottom, J.M. 1961. Notes from Mossel Bay and Calitzdorp Districts. Ostrich 32: 185-186.
Winterbottom, J.M. 1961. Remarks on the suggested tropical origin of dominant birds. Revue de Zoologie et Botanique Africaines 64: 120-126.
Winterbottom, J.M. and Courtenay-Latimer, M. 1961. List of birds of Little Namaqualand. South African Avifauna Series 1: 1-46.