[110] See Jo Kirby’s essay elsewhere in this book; Renate Woudhuysen-Keller, “Das Farbbüechlin Codex 431 aus dem Kloster Engelberg: ein Rezeptbuch über Farben zum Färben, Schreiben und Malen aus dem späten 16”. Jahrhundert, vol. 2 (Zürich: Abegg-Stiftung, 2012), 37-39; Provins-hout (‘provincewood’) (Haematoxylum brasiletto H. Karst), mentioned in Dutch black dye recipes, refers to a wood sort also used for dyeing which is chemically similar to brazil wood, but should not be confused with logwood. Correspondence with Art Gaibor Proaño, organic colour specialist at the Cultural Heritage Agency of the Netherlands.