Prof. A. Zahm, Head Aviation Historian, US Library of Congress

'Early Powerplane Fathers, pp. 27-36

Library of Congress Photo Collection:

The Library of Congress has a photo of the Whitehead aircraft in its collection labelled as follows:

 

"Plane No. 22 in which Gustave Whitehead made a circle over Long Island Sound, Jan. 17, 1902"


http://www.loc.gov/pictures/resource/cph.3b04020/ 

http://lccn.loc.gov/2002721404

 

This label may have been assigned by Prof. Zahm.