There are a few ways to locate facsimile images of manuscripts and early editions in the stacks of the library. Many printed scores contain images of specific pages of manuscripts in order to facilitate study of the work, and there are also entire manuscript works reproduced as a printed score.
Locating primary source manuscripts and editions for European art music outside of SU Libraries typically requires the use of specialized catalogs and indexes. Primary source scores and manuscripts can be held at thousands of different libraries, archives, museums, and private collections across the world. Below is a list of the main catalogs and indexes to use.