F. W. Wilder
Edward Hungerford
Frederic J. Haskin
Fred H. Colvin & K. A. Juthe
Reginald Engelbach
Una L. Silberrad
J. G. Wood
Archibald Williams
Samuel Smiles
Robert M. Vogel
Eugene S. Ferguson
John Bernard Walker
Frederick A. Talbot
Robert Hoe
Willis J. Abbot
Samuel J. Record
E. Keble Chatterton
Hubert E. Collins
Dionysius Lardner
Thomas Curtis Clarke & others
George Iles
Robert H. Thurston
T. O'Conor Sloane
Georgius Agricola (tr. Herbert & Lou Henry Hoover)
