William Byrd 1543-1623 : Gradualia, books I and II.

Bibliographic Details
Main Author:	Byrd, William, 1539 or 1540-1623
Format:	Musical Score Book
Language:	Latin
Language Notes:	Latins words; also printed as text pp. xv-xxix.
Published:	London : Published for the Carnegie United Kingdom Trust by the Oxford University Press, Humphrey Milford, 1927.
Series:	Tudor church music ; v. 7.
Subjects:	Graduals (Chants) Choruses, Sacred (Mixed voices), Unaccompanied > Scores.