Jacob August Riis. This paper discusses the work and life of Jacob August Riis. Riis devoted some time to pointing out ethnic divisions by way of color maps that referred to African-Americans in black, Jews in gray, red for areas of high Italian concentration, yellow for the Chinese Americans and so forth. 4 pgs. 6 f/c. 3b. Pages: 4 Bibliography: 3 source(s) listed Filename: 2017 Jacob August Riis.doc Price: 35.80