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- Item Type > Audiovisual (remove)
- Coverage > Switzerland (remove)
- Subject > Airplanes--Design and construction (remove)
- Subject > Lear, William P. (William Powell), 1902-1978 (remove)
- Subject > Automatic pilot (Airplanes) (remove)
- Subject > Handschumacher, Al (remove)
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Item Type- Audiovisual (1)
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Audio recording of business letters and statements dictated by William P. Lear, circa May 1960.