Factual Information Sheets (supply of gasoline, oil changes, arrival and departure times, and statistics and facts) on airports and air strips at the following landing sites, n.d. - Khartoum or Karthdum
Purdue University Libraries, Archives and Special Collections
Amelia Earhart Papers (George Palmer Putnam Collection)
Rights held by Purdue University Libraries
Further information on this record can be found at its source.