Filtering by: Source Collection jim borgman collection Remove constraint Source Collection: jim borgman collection Creator opper, frederick burr, 1857-1937 Remove constraint Creator: opper, frederick burr, 1857-1937 File Format image/tiff Remove constraint File Format: image/tiff Resource Type image Remove constraint Resource Type: image Time Period (Topic) 1890s (1890-1899) Remove constraint Time Period (Topic): 1890s (1890-1899)