Editing, Pt. 1 And 2, Unit Record Input/Output, Pt. 1
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Copyright
Registered 9Jun69 · MP19958 (Jan-Jun 1970) Copyright holder: International Business Machines Corp
Sources
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — title, year, creator, length, copyright
Record added 2026-06-28T20:16:30Z