[7] The Missal has been attributed to a workshop called the "Cholet Group", based on the similarities of the initials, figures and marginalia to that of the Bibliothèque de l’Arsenal MS 25.
[3] On September 1356, sensing his death, Hangest donated the Missal to the cathedral as listed in the registers of Beauvais in exchange for an annual remembrance mass for him on his passing.
[2][7] In 1843, a commercial broker of Lyon, Henri Auguste Brölemann, gilt and bound the manuscript, wherein it was passed through descent to great-granddaughter Madame Etienne Mallet.
[2][5][4][10] Subsequently, in October 2022, a folio featuring entries for the feast of St. Callixtus and St. Lucian was authenticated by Davis upon acquisition to the University of Connecticut's Archives & Special Collection by School of Nursing Faculty Prof. Thomas Long, who acquired the piece in the late 1990s.
[1][11] Currently, the bulk of the manuscript is held in New England by UMass, UConn, Rhode Island School of Design, Harvard, Yale, Smith, Wellesley, Dartmouth, and Colby College, in addition to the Wadsworth Atheneum and Boston Public Library.