1. Activation sexuelle obtenue chez le Canard par l'eclairement artificiel pendant la periodc de repos genital;Benoit;C. R. Paris,1934
2. Sexual photoperiodicity;Bissonnette;Journ. Heredity,1936
3. Sexual photoperiodicity;Bissonnette;Quart. Rev. Biol.,1936
4. Recent work on photoperiodism;Garner;Bot. Review,1937
5. Hhytmic diurnal variations in the oestrous phenomena of the rat and their susceptibility to light and dark;Hemmingsen;Kgl. Danske Vidsk. Selsk. Biolog. Meddel. Koben-havn,1937