{"e":{"id":296226,"source":"ia_catalogofcopyrig381213lib","title":"A PILGRIMAGE TO MOUNT VERNON","header":"A PILGRIMAGE TO MOUNT VERNON, National Society of Professional Engineers, Made by Sid Alpert Productions, 5 min,, sd., b&w, 16mm, Credits: Author, Sidney Alfred Alpert","year":1954,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":9459,"line_end":9467,"source_text":"A PILGRIMAGE TO MOUNT VERNON, Na- \ntional Society of Professional Engineers, \nMade by Sid Alpert Productions, 5 min,, sd., \nb&w, 16mm, \n\n\nCredits: Author, Sidney Alfred Alpert. \n© Sid Alpert Productions; 19Feb54; \nMP4328. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1954","url":"https://archive.org/details/catalogofcopyrig381213lib","cite":"Internet Archive catalogofcopyrig381213lib (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1954_catalogofcopyrig381213lib_djvu.txt"},"ia_items":[],"ia_lookup":[]},"regs":[{"id":315133,"entry_id":296226,"reg_number":"MP4328","series":4,"see_also":[],"reg_class":"MP","published":true,"claimant":"Sid Alpert Productions","author":null,"deposit":null,"reg_date":"1954-02-19","part":null,"part_title":null,"source_line":9466,"raw":"A PILGRIMAGE TO MOUNT VERNON, National Society of Professional Engineers, Made by Sid Alpert Productions, 5 min,, sd., b&w, 16mm, Credits: Author, Sidney Alfred Alpert © Sid Alpert Productions; 19Feb54; MP4328","flags":[],"status":"no-renewal-found","pd_date":"1983-01-01","reason":"no renewal entry found for 1981-1983 or in the Copyright Office renewal records 1978-2025","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1981,1982],"window_volumes":[{"year":1981,"ia_identifier":""},{"year":1982,"ia_identifier":""},{"year":1983,"ia_identifier":""}]}]}