Music: A Guide to Research: Online Scores/Sheet Music

Contains more than 62,500 pieces of historical sheet music registered for copyright: more than 15,000 registered during the years 1820-1860 and more than 47,000 registered during the years 1870-1885.

400 first and early printed editions of musical compositions by Frédéric Chopin

A database of over 85000 scores that can be browsed by composer, instrumentation, genre, or time period.

This site has images of sheet music for musical pieces between 1820-1860 and 1870-1885, as well as a list of greatest hits from those eras.

music written prior to the early 20th century. Includes a large collection of rare late 19th century and early 20th century American composers but also includes classical composers of all eras.

An open collection of digitized sheet music from the following colleges. UCLA, Duke University, Indiana University and Johns Hopkins University