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Three-color print in “Rationale divinorum officiorum.”
Durand, Guillaume. “Rationale divinorum officiorum.” (Explanation for a set of prayers). Mainz: Johann Fust and Peter Schoeffer, 1459 https://lccn.loc.gov/47043536, pp. 38, 288. PDF http://hdl.loc.gov/loc.rbc/rosenwald.0029.1, Page view http://hdl.loc.gov/loc.rbc/rosenwald.0029.