• München, Bayerische Staatsbibliothek, Clm 19266
• Chestnut Hill (MA), Boston College University Libraries - John J. Burns Library, BC.2023.159
• St. Catharines (ON), Brock University Library - Archives and Special Collections, RG 394
• Bryn Mawr, Bryn Mawr College Special Collection, MS 37
• Cleveland, Case Western Reserve University - Rare Books Collection, [No Shelfmark] Uncatalogued ("Slotkin page")
• New York City (NY), Columbia University - Butler Library - Rare Book and Manuscript Library, MS BARNARDRARE 3
• Hanover (NH), Dartmouth College Library - Rare Books, MS 003203
• Hanover (NH), Dartmouth College Library - Rare Books, MS 003139
• Philadelphia, Free Library of Philadelphia, MS Lewis E 231
• Philadelphia, Free Library of Philadelphia, MS Lewis E 234
• Philadelphia, Free Library of Philadelphia, MS Lewis E 225
• Philadelphia, Free Library of Philadelphia, MS Lewis E 233
• Philadelphia, Free Library of Philadelphia, MS Lewis E 221
• Philadelphia, Free Library of Philadelphia, MS Lewis E 226
• Philadelphia, Free Library of Philadelphia, MS Lewis E 223
• Philadelphia, Free Library of Philadelphia, MS Lewis E 222
• New York City, General Theological Seminary - Special Collections, MS GTS W 17
• San Marino, H. E. Huntington Library, HM 850
• Austin, Harry Ransom Center, HRC Leaf A38
• Austin, Harry Ransom Center, HRC Leaf A40
• Austin, Harry Ransom Center, HRC 22
• Austin, Harry Ransom Center, HRC Leaf A37
• Austin, Harry Ransom Center, HRC Leaf A39
• Austin, Harry Ransom Center, HRC Leaf A36
• Austin, Harry Ransom Center, HRC 144
• Austin, Harry Ransom Center, HRC 146
• Austin, Harry Ransom Center, HRC 147
• Cambridge (MA), Harvard University - Houghton Library, MS Typ 076
• Wolfenbüttel, Herzog August Bibliothek, Cod. Guelf. 29 Helmst. (Heinemann-Nr. 32)
• New York City, Hispanic Society of America Library, HC392/249
• Baltimore, Johns Hopkins, John Work Garrett Library Special Collections, Gar. 7 MS 3
• Montréal, McGill University - Rare Books and Special Collections - Manuscript Collection, MS Medieval 0184
• Montréal, McGill University - Rare Books and Special Collections - Manuscript Collection, MS Medieval 0215
• Montréal, McGill University - Rare Books and Special Collections - Manuscript Collection, MS Medieval 0170
• Montréal, McGill University - Rare Books and Special Collections - Manuscript Collection, MS Medieval 0220
• Montréal, McGill University - Rare Books and Special Collections - Manuscript Collection, MS Medieval 0231
• Montréal, McGill University - Rare Books and Special Collections - Manuscript Collection, MS Medieval 0087
• Montréal, McGill University - Rare Books and Special Collections - Manuscript Collection, MS Medieval 0078
• Montréal, McGill University - Rare Books and Special Collections - Manuscript Collection, MS Medieval 0205
• Montréal, McGill University - Rare Books and Special Collections - Manuscript Collection, MS Medieval 0221
• Montréal, McGill University - Rare Books and Special Collections - Manuscript Collection, MS Medieval 0218
• Montréal, McGill University - Rare Books and Special Collections - Manuscript Collection, MS Medieval 0210
• New York City, New York Public Library, JOJ 13-1
• Evanston, Northwestern University, Music Library, MSS 1600 (NW-L3-2)
• Malibu, Pepperdine University, Special Collections and University Archives, M2147 .H563 1572
• Princeton, Princeton University Library, MS 110
• Princeton, Princeton University Library, MS 125 North 6
• Princeton, Princeton University Library, MS 160 North 6
• Princeton, Princeton University Library, MS 124 North 6
• Winnipeg, Private collections, D:07jj1
• California, Private collections, D:0io1s
• Calgary, Private collections, D:04sqa
• London (ON), Private collections, D:01oko
• St. Louis, Saint Louis University, Pius XII Memorial Library Special Collections, VFL MS 031
• Zutphen, Stadsarchief en Stedelijke Bibliotheek, 6
• Stanford, Stanford University - Green Library - Department of Special Collections, MS 1471
• Xanten, Stiftsarchiv und -bibliothek St. Viktor, H 140 (3)
• Washington (D.C.), The Library of Congress - Music Division, M2147 XVI M2
• Washington (D.C.), The Library of Congress - Music Division, M2147 XVI M4
• Chicago, The Newberry Library, M2148.L4 1595
• Chicago, The Newberry Library, Case MS 5386
• Chicago, The Newberry Library, Case MS 5399
• Chicago, The Newberry Library, Case MS 5398
• Chicago, The Newberry Library, Case MS 5397
• Chicago, The Newberry Library, Case MS 5385
• Chicago, The Newberry Library, Case MS 5408
• Chicago, The Newberry Library, Case MS 5391
• Chicago, The Newberry Library, Case MS 5384
• Chicago, The Newberry Library, Case MS 5394
• Chicago, The Newberry Library, Case MS 5088
• Berkeley, University of California-Berkeley, Bancroft Library, MS UCB 158
• Orlando, University of Central Florida, Special Collections, M2149 .L4 1520
• Chicago, University of Chicago, Special Collections Research Center, Codex Ms 967
• Gainesville, University of Florida, Special and Area Studies Special Collections, BX1999.85 .A2 1500
• Urbana, University of Illinois at Urbana-Champaign, Rare Book & Manuscript Library, MS 0209
• Lawrence, University of Kansas, Spencer Research Library Special Collections, MS J5.1
• Lexington, University of Kentucky, Special Collections Research Center, MS Latin Ky XII
• Chapel Hill, University of North Carolina, Chapel Hill - Wilson Library Rare Books Collection, MS 24
• Eugene, University of Oregon, Special Collections and University Archives, M2148 .L4
• Columbia, University of South Carolina, Ernest F. Hollings Special Collections Library, Early Ms 80
• Hattiesburg, University of Southern Mississippi - McCain Library Special Collections, M2149 .L3 1500z
• Sydney, University of Sydney - Fisher Library - Rare Books & Special Collections, Add.Ms. 327 (front pastedown)
• Waterloo (ON), University of Waterloo - St. Jerome’s University Library - DRAGEN Lab, MS Medieval 48 ("Musical Leaf 'Dicit Dominus'")
• Poughkeepsie, Vassar College, MS 16
• London (ON), Western University Canada - Archives and Special Collections, M2150 15-?
• New Haven, Yale University-Beinecke Rare Book and Manuscript Library, MS 78
• New Haven, Yale University-Beinecke Rare Book and Manuscript Library, Music Deposit 98
• New Haven, Yale University-Beinecke Rare Book and Manuscript Library, MS 710
• New Haven, Yale University-Beinecke Rare Book and Manuscript Library, Music Deposit 97