Peter Humphry Greenwood
Heinz Halm
Great Britain.
Gerd E. Hoffmann
Max Herrmann-Neisse
Gwen Dundon
Simposio su apprendimento-insegnamento (1977 Viareggio, Italy)
Spain.
Jo Casselman
L. D. Robertson
Kazanskiĭ nauchno-issledovatelʹskiĭ institut travmatologii i ortopedii.
Provincial Archives of Alberta. Historical Resources Library.