University, U. c. S. L. (1930). Ground School Instructors at Parks Air College.
Lua i Stíl Chicago (17ú heag.)University, Unknown creator; St. Louis. Ground School Instructors at Parks Air College. 1930.
Lua MLA (8ú heag.)University, Unknown creator; St. Louis. Ground School Instructors at Parks Air College. 1930.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.