1. Indiana University, Bloomington, Ricketts 28 Title: Psalter Place: England Date: 1895; 1895-1895 and s. XV(2/4); 1425-1450
2. Indiana University, Bloomington, Ricketts 198 Title: Office book, Constitution and rules, Bull, and Chronicle Author: Humbert of Romans, Innocent VIII, and Johannes Meyer Place: Germany Date: 1458; s. XV(med); 1440-1460