The Labors Of Heckules; Or, The Metric System Is Greek To Me
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Copyright
Registered 12May75 · LP46804 (Jul-Dec 1976) Copyright holder: Xerox Corporation Production company: Davidson Films, Inc
Sources
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — title, year, creator, length, copyright
Record added 2026-06-28T22:04:16Z