Historical name Records Library / Place of Edition Title Source title Year London, British Library De uiridi colore quomodo fieri possit ad que uolueris depingere Egerton 840 A, De diversis artibus- Hic incipit tractatus lumbardicus Qualiter temperantur colores ad depingendum (Hs.)-De coloribus et artibus romanorum München, Bayerische Staatsbibliothek Aliud Cgm 822 Liber Primus Caput XXX-XXXVI 1668