00665cam a22002291 4500 l 45000111 DLC 20260227111539.0 820602m19451946dcua 000 0 eng l 45000111 (OCoLC)29100371 DLC MnU OCoLC DLC premarc n-us--- HD8051 .A62 no. 837 Wood, Helen Employment opportunities in aviation occupations .. Washington, D.C., U.S. Govt. print off. [1945 1 v. tables. 23 cm. Aeronautics, Commercial United States. Aeronautics Vocational guidance. 36510 36510