1. A preliminary life-history study of the Florida Jay Cyanocitta c;Amadon;cerulescens. Amer. Mus. Novit,1944
2. Bedford, Duke of. 1954 Parrots and Parrot-like Birds
3. Brown , P. E. Davies , M. G. 1949 Reed-warblers. East Molesey
4. Observations on the collection and burying of acorns by Jays in Hainault Forest;Chettleburgh;Brit. Birds,1952