The roll call
Subtitle: dedicated to the pioneers of commercial aviation of U.S.A.
By: Air Mail Pioneers.
Edition: [2d ed.].
Publisher: The Pioneers
Published: 1956
Place of publication: [s.l.]
Language: eng
Number of pages: 70
Subjects: Air mail service -- United States -- History.; Air pilots -- United States -- Registers.
Notes: Cover title.