Harmony Hall -- Ward Brown, architect, alterations and additions to residence of Mr. and Mrs. C. W. Collins, Harmony Hall, MD. Blue line print -- Plan and elevations, November 1942

Harmony Hall -- Ward Brown, architect, alterations and additions to residence of Mr. and Mrs. C. W. Collins, Harmony Hall, MD. Blue line print -- Plan and elevations, November 1942, 6.2.29, Oversize file: 22, item: 2. Charles Wallace Collins papers, 0022-MDHC. Special Collections and University Archives. https://archives.lib.umd.edu//repositories/2/archival_objects/233622 Accessed November 25, 2024.