Samuel Rawson Gardiner
Martin Thomas Pesl
Christian Dobler
Günther Dellbrügger
Peter Pirker
Annie Sprinkle
Tadéas Xavier Henis
W. Warde Fowler
James Anthony Froude
W. H. Matthews
William Hull
J. H. Ward
Arthur Quiller-Couch
British Museum. Department of Coins and Medals
J. G. Rosengarten
William Henry Thomes
Elizabeth W. Allston Pringle
Amanda M. Douglas
William H. Ukers
Evelyn Sharp