There is no known index for this series. However, the Civil Aeronautics Board's published reports may be used as an additional finding aid. The reports are available in the State Historical Society's government documents collection:
United States. Civil Aeronautics Board. Civil Aeronautics Board reports. Washington, D.C. : The Board; Vol. 2 (1941) - Location: Historical Society Library U.S. Govt. Publications; C 31.211
The Civil Aeronautics Board reports contains the published opinions of the board in chronological order. Each volume of the reports has a subject index. Once a relevant opinion is found, the docket number on the opinion can be used to locate the corresponding case file in this series.
