Willamette University's Book of Hours (Link to digital copy)
This Flemish Book of Hours, entitled Praeces piae, made in third quarter of the 15th century in the diocese of Tournai, in modern Belgium. The text provides prayers for the eight hours of the day at which prayers were recited (Matins, Lauds, Prime, Terce, Sext, None, Vespers, and Compline).
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