Illustris princeps
Franchinus Gaffurius (lost):
Mentioned in Gaffurius, Apologia adversus Ioannem Spartarium (1520).

In minen zin
Alexander Agricola:
Gloria   Credo   Sanctus   Agnus Dei
Edition: Alexander Agricola, Opera omnia, ed. Edward R. Lerner, 5 vols., Corpus mensurabilis musicae, 22 ([s.l.:] American Institute of Musicology, 1961-1970), 1: 105-45.

Introduxit me rex in cellam vinariam
Yacten / Elezanger:
Credo   Sanctus 
Source: HradKM 7, pp. 56-63.
Edition: Lenka Mrácková, ed., Missa Introduxit me rex in cellam vinariam, Hudební veda, 43/2 (Prague: Dept. of Music History, Inst. of Ethnology, Acad. of Sciences of the Czech Republic, 2006). I am most grateful to Dr Mrácková for sending me a copy of her edition.