{"e":{"id":25837,"source":"pg51836","title":"THE NITROGEN CYCLE","header":"THE NITROGEN CYCLE. 1938. 1 reel.","year":1938,"reels":1,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":165600,"line_end":165604,"source_text":"  THE NITROGEN CYCLE. 1938. 1 reel.\n\n    © Eastman Kodak Co., Teaching Films Division (S. Ralph Powers,\n    author); 11Apr38; MP8500.\n","source_meta":{"name":"Catalog of Copyright Entries, Motion Pictures 1912–1939 (Library of Congress, 1951)","url":"https://www.gutenberg.org/ebooks/51836","cite":"Project Gutenberg #51836","file":"/root/projects/publicreel/data/raw/cce_motion_pictures_1912_1939_pg51836.txt"},"ia_items":[],"ia_lookup":[]},"regs":[{"id":28930,"entry_id":25837,"reg_number":"MP8500","series":2,"see_also":[],"reg_class":"MP","published":true,"claimant":"Eastman Kodak Co., Teaching Films Division","author":"S. Ralph Powers, author","deposit":null,"reg_date":"1938-04-11","part":null,"part_title":null,"source_line":165602,"raw":"© Eastman Kodak Co., Teaching Films Division (S. Ralph Powers, author); 11Apr38; MP8500.","flags":[],"status":"no-renewal-found","pd_date":"1967-01-01","reason":"no renewal entry found for 1965-1967 in the CCE motion-picture renewal sections","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1965,1966],"window_volumes":[{"year":1965,"ia_identifier":"catalogofc19653191213libr"},{"year":1966,"ia_identifier":"catalogofc19663201213libr"},{"year":1967,"ia_identifier":"catalogofc19673211213libr"}]}]}