15997. f. 48v: Cambridge, Corpus Christi College, MS 521: Johannes Tortsch of Leipzig, Onus mundi. Glossed Hymnal
15998. f. 51r: Cambridge, Corpus Christi College, MS 521: Johannes Tortsch of Leipzig, Onus mundi. Glossed Hymnal
15999. f. 52v: Cambridge, Corpus Christi College, MS 521: Johannes Tortsch of Leipzig, Onus mundi. Glossed Hymnal
16000. f. 53r: Cambridge, Corpus Christi College, MS 521: Johannes Tortsch of Leipzig, Onus mundi. Glossed Hymnal
16001. f. 55r: Cambridge, Corpus Christi College, MS 521: Johannes Tortsch of Leipzig, Onus mundi. Glossed Hymnal