These pieces are by Nathaniel Giles(ca.1558 - 1634)
No.26 "Vestigia mea" à5
bar1-21 : A part
bar21-35 : B part
bar35-49 : C part
bar50-73 : D part
No.27 "Tibi soli" à5
bar1-11 : A part
bar11-27 : B part
bar27-40 : C part
http://aeolianconsort.chakin.com/The_Baldwin_Collection.htm#No21