1951, September 16. Aeronautical Charts and You. No. 250. Participants: Colonel Paul C. Schauer, USAF, C.O., Aeronautical Chart and Information Service; Major Richard G. Ledig, USAF, Aeronautical Chart and Information Service; Mr. Loren A Bloom, Technical Advisor, Aeronautical Chart and Information Service. Moderator: Frank Blair. Liberty Broadcasting System. From the Raymond Reiss Studio.

1951, September 16. Aeronautical Charts and You. No. 250. Participants: Colonel Paul C. Schauer, USAF, C.O., Aeronautical Chart and Information Service; Major Richard G. Ledig, USAF, Aeronautical Chart and Information Service; Mr. Loren A Bloom, Technical Advisor, Aeronautical Chart and Information Service. Moderator: Frank Blair. Liberty Broadcasting System. From the Raymond Reiss Studio., Box: 1. Georgetown University Forum Transcripts, GTA-000107. Georgetown University Archives , Booth Family Center for Special Collections. https://findingaids.library.georgetown.edu/repositories/12/archival_objects/1352728 Accessed November 22, 2024.