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ABBREVIATIONS The following list includes abbreviations used in this catalog with specific copyright or bibliographic meanings. Definitions are not given for abbreviations in common use.
| (A) | —author |
| aka | —also known as |
| b&w | — black and white |
| (PCB) | — proprietor of a work copyrighted by a corporate body otherwise than as as signee or licensee of the author |
| (C) | —child or children of the deceased |
| © | —copyright claimed by |
| pseud. | —pseudonym |
| dba — | doing business as |
| descr. | — description |
| (E) | — executor(s) of the author |
| ft. | —feet |
| min. | —minutes |
| mm. | —millimeters |
| (PWH) | proprietor of copyright in a work made for hire |
| sd. | —sound |
| si. | —silent |
| ta.— | trading as |
| (NK) | —next of kin of the author who is not |
| (W) | —widow living, there being no will |
| (Wr) | —widower of the author |
COPYRIGHT REGISTRATIONS OF MOTION PICTURES AND FILMSTRIPS
January-June 1950
| Class L— | Published motion picture photoplays | 409 | |
| Unpublished motion picture photoplays | 26 | ||
| 435 | |||
| Class M— | Published motion pictures other than photoplays | 469 | |
| Unpublished motion pictures other than photoplays | 42 | ||
| 511 | |||
| Filmstrips registered in Classes A and J | 327 | ||
| Total | 1, 273 | ||
| Renewals of works originally registered in Class L and Class M | 110 | ||
The above figures show the registrations for motion pictures and filmstrips for January-June 1950, but do not necessarily represent the exact number of entries in this issue of the Catalog.
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