Hardhats
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Describes the types of employment included within the category known as hardhat.
Copyright
Registered 31Aug76 · MP31283 (Jul-Dec 1977) Copyright holder: Mandlinfilm, Inc
Related films
Sources
- 16mm Filmography (legacy record) — title, year, creator, format, sound, description, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
Original permalink · Record added 2023-02-27 02:57:27