"Sones mo organo" is a collection of anonymous pieces and some works by the Itaian Domenico Zipoli, who settled in South America in the 18th C.
The mss. was found in the archives of the Misiones Jesuiticas de Chiquitos in Bolivia and dates from 1746. The collection was put together by the priest Father Matin Schmid (1694-17720.
The pieces:
1. Obra V tono
2. Ofertorio (a little different from the Italian version; no pedal here)
Some information and the table of contents is attached; send me a PM and email address if interested in the transcript (13MB).