Birds that fly in the night /
Egan, E. W.(Edward Welstead)
Bosiger, Ernst.Les Oiseaux de la nuit.Adaptations.
Faucher, Paul.
Hosking, Eric.
New York Sterling London Distributed by Ward Lock
1973
'Adapted from the French book "Les Oiseaux de la nuit" [Paris]: Flammarion, 1958.' - title page verso
Includes index
Owls.