BN 7344A, 14th century, #3.
BN 7400A, 14th century, #5, Modus faciendi colores et distemperandi; #6, Varia experimenta chemica.
Bernard 3623, #34, de diversitate colorum.
Digby 147, 14th century, fols. 33-4, de coloribus.
Cotton Julius D-V, end of the 13th century, fol. 156-, de viridi colore faciendo ad usum scribendi.
Julius D-VIII, fols. 77v-87, a treatise in English on colors, medicines, etc.; following it are cooking recipes and directions for making parchment, ink, and si vis invisibilis fieri.
Titus D-XXIV, fol. 127, Latin and French, de distemperandis coloribus ad scribendum vel illuminandum.
Harleian 218, fol. 71, Experimenta bina Anglice: “For to rasone parchement without knyffe” and “To make asure.”
Sloane 342, 13th century, fol. 132, “Quidam Lumbardus socius concessit mihi ista de libro suo qui intitulatur liber Massia de coloribus.” In Egerton 840A the work of Theophilus was called tractatus Lumbardicus.
Sloane 1698, 14th century, fols. 45-52.