Manuscripts:

Archival and bibliographic resources

From purely archival documents to "published" materials

Legal documents: laws, maps of territory, treaties, etc.
Contracts, trials, marriages, inheritance, etc.
Bills, lists of employees, etc.
Private papers, statements for studies, personal documents, etc.
Correspondence
Books, autographs, drafts, dissertations, speeches, etc.
(Typescripts, carbon copies, printouts)
Music: drafts, clean copies
Music for performance, copies for sale, manuscripts for rent in place of prints
Annotated prints