Due credit is given for the pictures/images in the various pages on this website as follows;
Main page:
left: Margret Kuehni, Metamorphosis I, monoprint
right: C. B. Traité de la peinture en mignature, The Hague: van Dole, 1708 hand-colored pigment mixture circle, page 155.
Books:
A. Munsell, A color notation, 3rd edition, 1913. Illustration of the original blanced color sphere. The attached miror shows the blue side of the sphere.
Recent Published Articles:
D. L. MacAdam, Model of the OSA-UCS color solid, slide courtesy D. L. MacAdam.
Unpublished Articles and Presentations:
A. Höfler, Zwei Modelle schematischer Farbkoerper ... Zeitschrift fuer Psychologie 58 (1911) 356-371.