The Glenn L. Martin Company, From Box Kites to Bombers : The Story of The Glenn L. Martin Company, , 38 p. (lire en ligne) cité par The Encyclopedia of Cleveland History.
loc.gov
chroniclingamerica.loc.gov
« Old Ocean Defied by Daring Aviator », The San Francisco Call, (lire en ligne)
nytimes.com
« Glenn L. Martin Dies of Stroke. Pioneer Pilot and Designer, 69. Early Barnstormer Built First Plane in 1909 of Bamboo. Aided Navy and Air Force Glenn L. Martin, Aviation Pioneer, Dies », New York Times, (lire en ligne): « Glenn L. Martin, aviation pioneer whose career ranged from production of 25-cent box kites to work on man-made earth satellites, died here tonight at the age of 69... »
