Piece ID is

FAntasia Ioannis Doolandi.

in THESAURUS HARMONICUS DIVINI LAURENCINI ROMANI, NEC NON [...] Ad decennium.

GB-Lbl K.4.h.1

Start: Folio: 170vSystem: 1 View Image
Continuation: Folio: 171r View Image
Finish: Folio: 171v View Image

People associated with source:

John DowlandComposer(Probable)