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Solution of equations beyond the second degree. 31min
Registration MP11148 Uncertain
- Term began
- not parsed
- Claimant
- 27Feb61 (in notice
- Class
- MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
- Finding
- no registration date parsed from the catalog entry
The catalog entry has a problem (missing date, or a number that does not fit its year), so the renewal check cannot be relied on.
Catalog entry
Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1961, Internet Archive catalogofcopyr3151213libr (OCR text), lines 577–579.
Solution of equations beyond the second degree. 31min. © 27Feb61 (in notice: 1960); MP11148.
Copies on the Internet Archive
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