The Strangest Secret
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Presents the recording of Mr Earl Nightingale's 'THE STRANGEST SECRET.'.
Copyright
Registered 7Oct70 · MP23779 (Jan-Jun 1973) Copyright holder: Nightingale-Conant Corp
Related films
Sources
- 16mm Filmography (legacy record) — title, year, creator, format, sound, description, catalog record
- Educational film guide. Supplements (1959-62) — title, year, length, format, color, sound, description, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
- 16mm Filmography editors — genre
Original permalink · Record added 2023-02-27 05:29:58