Development and Differentiation
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Copyright
Registered 9Dec74 · MP26110 (Jan-Jun 1975) Copyright holder: Ziff-Davis Publishing Company
Sources
- 16mm Filmography (legacy record) — title
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
Original permalink · Record added 2024-09-08 01:22:02