Jules Feiffer
Unknown Author
Kjell Bloch Sandved
David Milgrim
Lilian A. Bell
Hubert Victor C. Curtis
Diane L. Burns
William O. Foss
Elizabeth Haven Appleton
Duncan McLean
I.U.F.R.O. Beech Bark Disease Working Party Conference (1982 Hamden, Conn.)
Symposium on Mechanical Barking of Timber (1965 Helsinki)
Alfred Schwankl
Turid Rugaas
Jessica J. Rykken
Thomas Alfred Buckley
Elvira Cabauatan Fernandez
Josef Moeller
Yu-chai Leslie Lai