spuriosity

Ye are next to aſſure all Perſons, who are ſo kind as to give you Audience, that to prevent the leaſt Suſpicion of Spurioſity, they may ſee every Letter I have ever printed of Mr. Pope’s in his Own Hand-Writing, […]

Haydn spuriosities were generated by demand for [Joseph] Haydn's works and by manuscript circulation. In genres like keyboard sonatas, piano trios and songs, where manuscript circulation was light, there were relatively few spuriosities.