Drew, M.L., Wigle, W.L., Graham, D.L., Griffin, C.P., Silvy, N.J., Fadly, A. & Witter, R.: Reticuloendotheliosis in captive greater Tympanuchus cupido pinnatus and Attwater's prairie-chickens T. c. attwateri - (Number 3-4): 290-290.

Fang, Y. & Sun, Y-H.: Capturing techniques for the Chinese grouse Bonasa sewerzowi - (Number 3-4): 287-287.
Fang, Y. & Sun, Y-H.: Brood movement and natal dispersal of hazel grouse Bonasa bonasia at Changbai Mountain, Jilin Province, China - (Number 3-4): 261-264.
Sun, Y-H. & Fang, Y.: Notes on the natural history and behaviour of the Chinese grouse Bonasa sewerzowi - (Number 3-4): 265-268.

de Franceschi, P.F., Sepulcri, A., Filacorda, S. & Piasentier, E.: The dietary composition of black grouse Tetrao tetrix in the Italian Alps - (Number 3-4): 272-272.
Filacorda, S., Sepulcri, A., Piasentier, E. & de Franceschi, P.F.: Estimation of the chemical composition of black grouse Tetrao tetrix diets in the eastern Italian Alps - (Number 3-4): 187-194.

Porkert, J., Solheim, R. & Flor, A.: Behaviour of hybrid male Tetrao tetrix males × T. urogallus females on black grouse leks - (Number 3-4): 169-176.

Baba, Y., Koike, H., Okayama, T. & Fujimaki, Y.: Mitochondrial DNA analysis using feathers of rock ptarmigan Lagopus mutus japonicus and hazel grouse Bonasa bonasia in Japan - (Number 3-4): 277-277.
Fujimaki, Y., Miyazawa, Y. & Sasaoka, K.: Intake of buds and catkins by captive hazel grouse Bonasa bonasiawinter - (Number 3-4): 281-281.