From: Music Copyright Deposits, 1870-1885 (Microfilm M 3500) Also available through the Library of Congress Web Site as facsimile page images. (additional physical form)
From: Music Copyright Deposits, 1820-1860 (Microfilm M 3106) Also available through the Library of Congress Web Site as facsimile page images. (additional physical form) In bound volumes: Copyright Deposits 1820-1860