J.M. Ten Cate
Awash Almebo, Hunachew Beyene Mangasha, Zemachu Ashuro [...]
K. Collys, D. Slop, L. De Langhe [...]
Dorothy S. Genghof, Edward J. Hehre
H. Almqvist, F. Lagerlof
P.R. Parker, J.W. Bawden
S. M. Chadwick, P. H. H. Gordon
Joseph C. Muhler
J.M. ten Cate, M.J. Buijs, C. Chaussain Miller [...]
J.S. Wefel
, Hunachew Beyene Mangasha, Zemachu Ashuro 
