1. The airplane boys among the clouds : or, Young aviators in a wreck Title: The airplane boys among the clouds : or, Young aviators in a wreck Date: [between 1930 and 1939?] Author: Langworthy, John Luther. Collecting Area: Mathes Childrens Literature Call number: YH L287 A55 1930Z LOCAL
2. The aeroplane boys on the wing, or, Aeroplane chums in the tropics Title: The aeroplane boys on the wing, or, Aeroplane chums in the tropics Date: ©1912. Author: Langworthy, John Luther. Collecting Area: Mathes Childrens Literature Call number: YH L287 A4 LOCAL
3. The Bird boys' among the clouds, : or, Young aviators in a wreck Title: The Bird boys' among the clouds, : or, Young aviators in a wreck Date: ©1912. Author: Langworthy, John Luther. Collecting Area: Mathes Childrens Literature Call number: YH L287 B57 1912 LOCAL