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Alexander Zukowski made his American debut November 26, 1909, with the Cincinnati Orchestra November 29, 1909, with one other making his American debut – Leopold Stokowski debuted as conductor. Zukowski performed the Tchaikovsky Violin Concerto.

Original copyrights

 * Catalog of Copyright Entries, Part 3, Musical Compositions, New Series, Library of Congress, Copyright Office

Drama and theater

 * Catalog of Copyright Entries, Parts 3 & 4, Dramas and Works Prepared for Oral Delivery, New Series, Library of Congress, Copyright Office

Copyright renewals

 * Catalog of Copyright Entries, Part 3, Musical Compositions, Third Series, Library of Congress, Copyright Office