Photographs in subject [X]
Petree, Estella Harris, 1860-1940 in subject [X]
Letters (correspondence) in subject [X]
Wright, Wilbur, 1867-1912 in subject [X]
Aeronautics -- History in subject [X]
Wright family in subject [X]
Haskell, Katharine Wright, 1874-1929 in subject [X]