The Fitzwilliam Museum, ms. 169, 1301-1400.
Detailed Manuscript Information (based on The Fitzwilliam Museum and Ernest Langlois, Les manuscrits du Roman de la rose. Description et classement, Geneva : Slatkine Reprints, 1974, p. 150-151) :
Parchment, measure: 329x233mm, 137 folios, two rubrics at 39 lines. Beginning of the second folio: De mon lit tantost me levay.