Stewart Edward White

Nina Rhoades

Roger Pocock

J. A. (Joseph Amasa) Munk

Will H. Thompson

H. Bedford-Jones

Marion Mills Miller, Edmund Day, John Murray

H. Irving (Harrie Irving) Hancock

H. Bedford-Jones

Anonymous

Napier Shelton

United States. National Park Service

Dama Margaret Smith

United States. National Park Service

Annie F. (Annie Fellows) Johnston

Albert H. Schroeder, Homer F. Hastings

Lillian Elizabeth Roy

Sylvester Mowry

Arizona Pioneers Historical Society

Burt L. Standish

Charles Fletcher Lummis, C. A. Higgins, John Wesley Powell

George Wharton James

Cora Marsland

James H. McClintock

Martha Summerhayes

Anonymous

Albert Tissandier

Marion Mills Miller

J. William Lloyd

Anonymous