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)
This is a public-domain musical notation scan. There were many music publishers in the United States during the 1900s. Some of the most well-known ones include G. Schirmer, Inc., Boosey & Hawkes, and Hal Leonar More