共 88 条
[71]
1932, OSTWALD COLOUR ALBUM
[72]
1926, HARMONY FILE
[73]
1919, COLOR SCH
[74]
1922, HARMONY FORMS
[75]
1921, COLOR ATLAS WOOL
[76]
1917, CONTRIBUTIONS COLOR
[77]
1923, COLOR CIRCLES
[78]
1920, COLOR CIRCLES
[79]
1919, HUE SCALES
[80]
1921, ABRIDGED COLOR SOLID