{"e":{"id":293953,"source":"ia_catalogofcopyrig371213lib","title":"UNDERSTANDING VITAMINS","header":"ins are, how they work, and why they are necessary for good health; describes the natural sources of vitamins; and explains how vitamin deficiencies in the diet can be supplemented by the use of synthetic vitamins. Credits: Associate producer, Milan Herzog; collabo1 ator, John B. Youmans. Kodachrome","year":1952,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":22078,"line_end":22090,"source_text":"vitamins are, how they work, and why they \nare necessary for good health; describes the \nnatural sources of vitamins; and explains \nhow vitamin deficiencies in the diet can be \nsupplemented by the use of synthetic vita- \nmins. \n\nCredits: Associate producer, Milan Her- \nzog; collabo1 ator, John B. Youmans. Koda- \nchrome. \n\n© Encyclopaedia Britannica Films, inc.; \n230ct52; MP3342. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1953","url":"https://archive.org/details/catalogofcopyrig371213lib","cite":"Internet Archive catalogofcopyrig371213lib (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1953_catalogofcopyrig371213lib_djvu.txt"},"ia_items":[],"ia_lookup":[],"atlas":[]},"regs":[{"id":312860,"entry_id":293953,"reg_number":"MP3342","series":4,"see_also":[],"reg_class":"MP","published":true,"claimant":"Encyclopaedia Britannica Films, inc","author":null,"deposit":null,"reg_date":"1952-10-23","part":null,"part_title":null,"source_line":22089,"raw":"vitamins; and explains how vitamin deficiencies in the diet can be supplemented by the use of synthetic vitamins. Credits: Associate producer, Milan Herzog; collabo1 ator, John B. Youmans. Kodachrome © Encyclopaedia Britannica Films, inc.; 230ct52; MP3342","flags":[],"status":"no-renewal-found","pd_date":"1981-01-01","reason":"no renewal entry found for 1979-1981 or in the Copyright Office renewal records 1978-2025","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1979,1980],"window_volumes":[{"year":1979,"ia_identifier":""},{"year":1980,"ia_identifier":""},{"year":1981,"ia_identifier":""}]}]}