Charles V. Walker
William Blum
Thomas Spencer
Erling Benner Larsen
Charles S. Partridge
George E. Dunton
United States. National Bureau of Standards.
J. W. Urquhart
Rapid Electrotype Company.
Edward S. Pilsworth
Harris B. Hatch
C. S. Partridge
Christian Friedrich Hänle
American Type Founders Company. Typographic Library and Museum.
A. Hering
William Stuart Speirs
Rapid Electrotype Company
R. Hoe & Company