Dates: 1941-1962. Size: 4.25 linear feet in 2 oversize folders. Chicago Public Library, Harold Washington Library Center, Special Collections, Neighborhood History Research Collection. Roy Sigfrid Pearson worked as an architectural designer for De Leuw, Cather & Company in Chicago, beginning in 1946. He worked on a number of buildings related to transportation and infrastructure. These drawings reflect his work on six different buildings in Chicago. [Finding aid]