Conducting An Experiment In Cleaning Our Air
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Copyright
Registered 30Sep75 · MP28138 (Jul-Dec 1975) Copyright holder: Goldberg-Werrenrath Productions
Sources
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — title, year, creator, length, copyright
Record added 2026-06-28T22:03:45Z