[136] Jean Albo, Instruction Générale Pour La Teinture Des Laines et Manufactures de Laine de Toutes Couleurs, et Pour La Culture Des Drogues Ou Ingrédients Qu’on y Emploie, 1671, 81; Gaibor Proaño cited this source in an email to Jongstra in which he had collected information on woadballs and woad indigo vats, email correspondence from 22 December 2018 and 4 January 2019. For more information on the ‘Colbert period’ and its importance for the French dye industry, see e.g., Jo Kirby et. al, eds., Natural Colorants for Dyeing and Lake Pigments : Practical Recipes and Their Historical Sources (London: Archetype Publications, 2014), 42-44.