1. Lansdowne MS 763, ff 67v Reference (shelfmark): Lansdowne MS 763, ff 67v Title: 9. "Octo tonorum tractatus metricus." Inc. "Primus est tonus re la, re fay quoque secundus." fo. 67 b. Collection Area: Western Manuscripts Languages: English Date Range: 15th century Extent: 1 item
