1931 Street Map of the Baltimore Area, 260 Miles, including Towson—Pikesville –Catonsville. Indianapolis: George F. Cram & Co., [c.] 1931. 123.5 x 118 cm. | George Peabody Library |
| 1931 City of Baltimore Use District Map: Part of Zoning Ord. 1274, Approved March 30, 1931. Baltimore: Board of Zoning Appeals, 1932. 105 x 85 cm. | George Peabody Library |
| 1932 Elligson, F.J. Map of School System Baltimore City 1932. 54 x 44 cm. Reprint from digital image, 2007. Original in UMCP library. | GPML: G3844 .B3E68 1932 |
1933 Tunis, Edwin. Map of Baltimore. [Baltimore]: [1933]. 41 x 58 cm. colored. | George Peabody Library |
| 1935 Map of Baltimore City showing the configuration of underlying rock floor. Baltimore: Geological Survey, 1935. | GPML: G3844 .B3C5a 1935 |
| 1936 [DRAFT Residential security map Baltimore, MD.] Washington, DC: Home Owners’ Loan Corp., 1936. 69 x 62 cm. Note: Reprint from digital image in National Archives, 2007. | GPML: G3844 .B3G45 1936 .U5 |
| 1937 Residential security map Baltimore, MD. Washington, DC: Home Owners’ Loan Corp., 1937. 69 x 62 cm. Note: Reprint from digital image in National Archives, 2007. | GPML: G3844 .B3G45 1937 .U5 |
| 1937 Hearne Brothers New Mechanical Map of Greater Baltimore. Detroit: Hearne Brothers, [1937?]. 140 x 106.5 cm | George Peabody Library |
| 1940 Map of modernization. Baltimore: Baltimore Transit Co., 1940. 45 x 59 cm. Reprint from digital image, 2007. Original in UMCP library. | GPML: G3844 .B3P33 1940 |
1941 New Route Map of Street Cars, Motor Coaches, and Trackless Trolleys of the Baltimore Transit Company. Baltimore: Baltimore Transit Company, 1941. 52 x 40.5 cm | George Peabody Library |
| 1943 Map of greater Baltimore and parts of counties boarding the city line. Baltimore: Service Print Shop, 1943. 68 x 56 cm. | GPML: G3844 .B3P2 1943 |
| 1944 Baltimore East Quadrangle; Baltimore West Quadrangle. Baltimore: U.S. War Dept., 1944. 2 sheets. 56 x 45.5 cm | George Peabody Library |
| 1945 Map of Baltimore City showing the 28 wards, bounding lines, streets, etc. | GPML G3844 .B3 1945 |