EIGHT INFANTS: TENSION MANIFESTA- TIONS IN RESPONSE TO PROLONGED STIMULATION
ESPONSE TO PROLONGED STIMULATION. Menninger Foundation, 1951. 28 min., sd., b&w, 16mm. Summary: A systematic analysis of the behavior responses of eight infants. For professional students of behavior and child development. Credits: Authors, Sibylle Escalona, Mary Leitch; photographer, Ellen Auerbach
Registration MP1117 No renewal found
- Term began
- 1951-02-15
- Claimant
- The Menninger Foundation
- Class
- MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
- Finding
- no renewal entry found for 1978-1980 or in the Copyright Office renewal records 1978-2025
- In the public domain since
- 1 January 1980 (end of the 28th year, no renewal)
A renewal would have appeared in the Copyright Office's renewal registrations 27 to 29 years after the term began. Those volumes are loaded and no matching renewal was found. A work published 1931–1963 that was not renewed entered the public domain at the end of its 28th year.
A renewal had to be filed in the 28th year and would be listed in the 1978 or 1979 volume; volumes searched: 1978, 1979, 1980.
Catalog entry
Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1951, Internet Archive catalogofcopyri351213libr (OCR text), lines 4848–4861.
TIONS IN RESPONSE TO PROLONGED STIMULATION. Menninger Foundation, 1951. 28 min., sd., b&w, 16mm. Summary: A systematic analysis of the behavior responses of eight infants. For professional students of behavior and child development. Credits: Authors, Sibylle Escalona, Mary Leitch; photographer, Ellen Auerbach. © The Menninger Foundation; 15Feb51; MP1117.
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