Commercial aviation - air mail service
Subtitle: Hearings ... Sixty-seventh Congress, second session
Publisher: Govt. Print. Off.
Published: 1922
Place of publication: Washington
Language: eng
Number of pages: 168
Notes: In 3 pts, each part having title page and ixdex not included in the collation.

Pts. 1-2, Hearings of January 6 and February 21, 1922, on H.R. 9642: pt. 3, April 28 & 29, on H.R. 11193.