| Book | Requires cookie* | ||
| 1 | Title: | Fifty years of firsts in flight, 1923-1973 | |
| Creator: | Sikorsky, Igor Ivan, 1889-1972 | ||
| Sikorsky Aircraft (Firm) | |||
| Publication: | Sikorsky Aircraft, United States],[1973?] | ||
| Call #: | TL716.9 S58F46 | ||
| Extent: | 55 p. : ill. ; 22 x 22 cm. | ||
| Subjects: | Sikorsky Aircraft (Firm) -- History | Sikorsky helicopters -- History | Aeronautics -- History | Aircraft industry -- United States | ||
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