Demuyt-Kelders 2018 Bart Demuyt and Ann Kelders, 'Versnipperd erfgoed. De fragmenten van het antifonarium van Beaupré' [=] 'Patrimoine éparpillé. Les fragments de l’antiphonaire de Beaupré', in Science Connection 59 (2018), 10-14.
Randall 2000 Lilian M.C. Randall, 'The Fragmentation of a Double Antiphonal from Beaupré', in Interpreting and Collecting Fragments of Medieval Books, eds. L. Brownrigg and M. Smith (Los Altos Hills & London, 2000), 211-30.
Randall 1997 Lilian M.C. Randall, e.a., Medieval and Renaissance Manuscripts in the Walters Art Gallery, III, Belgium, 1250-1530, I (Baltimore–London, 1997), no. 219 A-D, 25-56.