Dalrymple, John Sir
India. Coal Blending and Coking Research Sub-committee
Claus Koeppel
Margaret White Fishenden
William R. K. Wu
Unknown Author
Czesław Podrzucki
K. I. Syskov
Joseph D. Weeks
V. I. Loginov
N. S. Gri͡aznov
B. I. Meniovich
Walter Henry Voskuil
E. W. L. Nicol
Joseph Daniels
Oskar Simmersbach
Hamilton Gas Light Co.
T.H Byrom
D. M. Chernyshev