Geoffrey Hext Sutherland Bushnell (Bushnell, Geoffrey Hext Sutherland)

• 
  A Dictionary of the Printers and Booksellers Who Were at Work in England, Scotland and Ireland from 1726 to 1775;
  by Bibliographical Society (Great Britain), E. R. McC Dix, Henry Robert Plomer, George Herbert Bushnell
  Hardcover, Bibliographical Society, ISBN 0197217869 (0-19-721786-9)
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  The First Americans: The Pre-Columbian Civilizations
  by Geoffrey Hext Sutherland Bushnell
  Softcover, McGraw-Hill, ISBN 0070093083 (0-07-009308-3)