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Bagge, P., Lehtovouri, M. & Lindqvist, O. 1963. [Quantitative investigations of the bird fauna of Inari and Enontekiö in northern Lappland.]

Bailey, R. S. 1967. An index of bird population changes on farmland.

Brenner, F. J. 1966. The influence of drought on reproduction in a breeding population of Redwinged Blackbirds Agelaius phoeniceus.

Davis, B. N. K. 1967. Bird feeding preferences among different crops in an area near Huntingdon.

Dick, J. A. & Rising, J. D. 1965. A comparison of foods eaten by Eastern Kingbirds and Western Kingbirds in Kansas.

Evans, F. C. 1964. The food of Vesper, Field, and Chipping Sparrows nesting in an abandoned field in Southeastern Michigan.

Haapanen, A. 1965. Bird fauna of the Finnish forests in relation to forest succession.

Hildén, O. 1964. Ecology of duck populations in the island group of Valassaaret, Gulf of Bothnia.

Jenkins, D., Watson, A. & Miller, G. R. 1964. Current research on Red Grouse in Scotland.

Kear, J. 1962. Feeding habits of the Grey Lag Goose Anser anser on the Island of Bute.

Kear, J. 1965. Recent changes in Scottish barley acreages and the possible effect on wild geese.

KEAR, J. 1967. Feeding habits of the Greylag Goose Anser unser in Iceland, with reference to its interaction with agriculture.

Kikkawa, J. 1966. Population distribution of land birds in temperate rainforest of southern New Zealand.

Kulczycki, A. 1966. [The birds of the Lańcut Park.]

Murton, R. K. 1965. Natural and artificial population control in the Wood-Pigeon.

Murton, R. K. c. 1966. A statistical evaluation of the effect of Wood-Pigeon shooting as evidenced by the recoveries of ringed birds.

Nelson, J. B. 1966. Population dynamics of the Gannet (Sula bassana) at the Bass Rock, with comparative information for other Sulidae.

Paynter, R. A. 1966. A new attempt to construct life tables for Kent Island Herring Gulls.

Pulliainen, E. 1963. On the history, ecology, and ethology of the Mallards (Anas platyrhynchos L.) overwintering in Finland.

Ratcliffe, D. A. 1967. The Peregrine situation in Great Britain 1965–66.

Schemnitz, S. D. 1964. Comparative ecology of Bobwhite and Scaled Quail in the Oklahoma Panhandle.

Skead, C. J. 1967. Ecology of birds if the Eastern Cape Province.

Sladen, W. J. L., Wood, R. C. & Emison, W. B. 1966. Antarctic avian population studies, 1965–66.

Snow, D. W. & Snow, B. K. 1961. Breeding seasons and annual cycles of Trinidad land-birds.

Snow, D. W. 1966. Population dynamics of the Blackbird.

Soikkeli, M. 1965. On the structure of the bird fauna of some coastal meadows in western Finland.

Watson, A. 1965. Research on Scottish Ptarmigan.

Watson, A. 1966. Hill birds of the Cairngorms.

Westerskov, K. 1965. Winter ecology of the Partridge Perdix perdix in the Canadian Prairie.

Williamson, K. 1964. Bird Census work in Woodland.

Williamsonj, K. 1967. The bird community of farmland.

Willson, M. F. 1966. Breeding ecology of the Yellow-headed Blackbird.