Русско-англо-русский юридический словарь

A manuscript (abbreviated MS for singular and MSS for plural) is any document written by hand or typewritten, as opposed to being mechanically printed or reproduced in some indirect or automated way. (Wikipedia)

The manuscripts were written in the composer's own hand. (COBUILD Advanced English Dictionary)

The inventory of documents will include 431 manuscripts by Guevara and 567 documents about or related to him, including “valuable iconographic material by and about Che, films, letters and museum pieces.” (Fox News)

Authors may not submit manuscripts that are under consideration for publication elsewhere. [...] Authors will be notified of the editors' decision as soon as possible (normally within three months). Manuscripts are not returned. (Instructions to Authors - Oxford Academic)