Allen, Richard.

HBW and BirdLife International illustrated checklist of the birds of the world / by: Collar, N. J.; Fishpool, Lincoln D. C.; Allen, Richard.; Christie, David A.; Hoyo, Josep del.; Elliott, Andrew. (書目-語言資料,印刷品)

Cuckoos of the world / by: Erritzoe, Johannes Erritzoe.; Allen, Richard. (書目-語言資料,印刷品)

The Doll's house by: Allen, Richard.; Goodman, Lizbeth.; Noble, Mags. (書目-投影資料、錄影資料、電影片)