Ignatius Sancho published four collections of music during his lifetime. Here are just three of his pieces. Click on them for the full score (and please let me know if you plan a performance).
Les Contes Des Fees (58k)
From: Minuets, Cotillons & Country Dances (c.1767)
Sweetest Bard (208k)
From: A Collection of New Songs (1769)