Broude, Norma. "New Light on Seurat's "Dot": It's Relation to Photo-Mechanical Color Printing in France in the 1880's." The Art Bulletin 56/4 (1974): 581-589.

Broude, Norma. "New Light on Seurat's "Dot": It's Relation to Photo-Mechanical Color Printing in France in the 1880's." The Art Bulletin 56/4 (1974): 581-589.