N. Hudson Moore
Geoffrey Wills
Augustus F. Rose
Fuller, John
Copper Development Association.
Philipp Johann Josef Valentini
David A. Scott
Ioulia Kouleimanē-Vokotopoulou
Frank J. Carr
Chŏng-mun Im
Claire Garber Goodman
PHILIP MACDONALD
Elizabeta Koneska
Jianfeng Cui
Copper & Brass Research Association (U.S.)
Burgess, Fred. W.
Karl Robert Kramer