| Copyright Registrations for Books, January-June 1951 |
| Books published in the United States |
5,666 |
| Books in foreign languages first published abroad |
2,020 |
| Books in the English language first published abroad |
555 |
| Total |
8,241 |
| Renewals: Class A other than 560 contributions to Periodicals listed in Part 1B |
1,393 |
| Copyright Registrations for Books, July-December 1951 |
| Books published in the United States |
5,793 |
| Books in foreign languages first published abroad |
1,422 |
| Books in the English language first published abroad |
571 |
| Total |
7,786 |
| Renewals |
1,150 |
| Copyright Registrations for Pamphlets, Serials, and Contributions to Periodicals, January-June 1951 |
| Pamphlets and serials |
16,068 |
| Contributions to periodicals |
1,672 |
| Total |
17,830 |
| Renewals: Contributions to Periodicals |
418 |
| Copyright Registrations for Pamphlets, Serials, and Contributions to Periodicals, July-December 1951 |
| Pamphlets and serials |
14,427 |
| Contributions to periodicals |
1,652 |
| Total |
16,079 |
| Renewals: Contributions to Periodicals |
247 |
| Copyright Registrations for Published Music, January-June 1951 |
| Musical compositions published in the United States |
4,085 |
| Musical compositions published abroad |
3,731 |
| Total |
7,816 |
Copyright Registrations for Published Music, July-December 1951 |
| Musical compositions published in the United States |
3,718 |
| Musical compositions published abroad |
2,917 |
| Total |
6,635 |
Copyright Registrations for Unpublished Music, 1951 |
| Unpublished music, January-June |
18,073 |
| Unpublished music, July-December |
16,933 |
| Copyright Registrations of Dramas and Works Prepared for Oral Delivery, January-June 1951 |
| Class C: Lectures and other works prepared for oral delivery |
282 |
| Class D: Published dramatic and dramatico-musical works |
347 |
| Class D: Unpublished dramatic and dramatico-musical works |
1,762 |
| Total |
2,391 |
| Renewals, Class C |
4 |
| Renewals, Class D |
276 |
| Renewals, Class A |
5 |
| Copyright Registrations of Dramas and Works Prepared for Oral Delivery, July-December 1951 |
| Class C: Lectures and other works prepared for oral delivery |
350 |
| Class D: Published dramatic and dramatico-musical works |
361 |
| Class D: Unpublished dramatic and dramatico-musical works |
1,467 |
| Total |
2,178 |
| Renewals, Class C |
2 |
| Renewals, Class D |
180 |
| Renewals, Class A |
0 |
| Copyright Registrations for Maps, January-June 1951 |
| Class F: Maps published in the United States |
1,222 |
| Class F: Maps published outside the United States |
5 |
| Total |
1,227 |
| Renewals |
349 |
| Copyright Registrations for Maps, July-December 1951 |
| Class F: Maps published in the United States |
930 |
| Class F: Maps published outside the United States |
1 |
| Total |
931 |
| Renewals |
223 |
| Copyright Registrations for Motion Pictures and Filmstrips, January-June 1951 |
| Class L: Published motion picture photoplays |
441 |
| Class L: Unpublished motion picture photoplays |
2 |
| Class M: Published motion pictures other than photoplays |
578 |
| Class M: Unpublished motion pictures other than photoplays |
53 |
| Filmstrips registered in Class J |
445 |
| Total |
1,519 |
| Renewals: Classes L and M |
99 |
| Copyright Registrations for Motion Pictures and Filmstrips, July-December 1951 |
| Class L: Published motion picture photoplays |
380 |
| Class L: Unpublished motion picture photoplays |
0 |
| Class M: Published motion pictures other than photoplays |
547 |
| Class M: Unpublished motion pictures other than photoplays |
50 |
| Filmstrips registered in Classes A and J |
312 |
| Total |
1,289 |
| Renewals: Classes L and M |
180 |