Publications of the Copyright Office 1953 _Catalog of Copyright Entries_, Third Series, 1947 to date. Published semiannually in 11 sections. Annual subscription price for all sections, $20.00. Lists annually the works registered in the Copyright Office, currently amounting to over 200,000 books, pamphlets, periodicals, dramas, musical compositions, maps, works of art, prints and labels, motion pictures, and filmstrips. Published by authority of sections 210 and 211 of Title 17 of the United States Code. Section 210 provides: “The current catalog of copyright entries and the index volumes herein provided for shall be admitted in any court as prima facie evidence of the facts stated therein as regards any copyright registration.” Certain parts constitute basic bibliographies in their fields and represent the only comprehensive listing of their respective materials. _Subscriptions may be placed for one or more parts or for the whole series. The prices given below are for an annual subscription._ _Order from, and make remittances payable to, the Register of Copyrights, Library of Congress, Washington 25, D. C._ _Write to the Register of Copyrights concerning availability and prices of the Catalog before 1947._ _Books and Selected Pamphlets_ (Part 1A) Lists annually about 16,000 registrations for books and selected pamphlets, of which some 45 percent were first published abroad. Alphabetical arrangement by author, with title index. Numbers for 1951 and later include indexing of claimants. $3.00. _Pamphlets, Serials, and Contributions to Periodicals_ (Part 1B) Lists annually about 39,000 registrations. Alphabetical arrangement by author, claimant, and title. $3.00. _Periodicals_ (Part 2) Lists annually about 55,000 registrations, under 4,000 titles, of periodicals and newspapers. Alphabetical arrangement by title. Contains supplementary list of new periodicals. $2.00. _Dramas and Works Prepared for Oral Delivery_ (Parts 3–4) Lists annually about 5,000 registrations, approximately 70 percent of which are unpublished dramatic and dramatico-musical works. Alphabetical arrangement by author, except that radio and television programs are listed under title. Lectures, sermons, and addresses are also included in this Catalog. $2.00. _Published Music_ (Part 5A) Lists annually about 16,000 registrations of published music, of which approximately one-half were published abroad. Alphabetical arrangement by composer or author, with title index, claimant index, and classified index. $3.00. _Unpublished Music_ (Part 5B) Lists annually about 40,000 registrations of unpublished music. Alphabetical arrangement by title, with index to names of authors and claimants. $3.00.