21. Kaufmännische wandkarte der erde zur übersicht der handelsbeziehungen, dampfer- und kabel-verbindungen des Deutschen Reiches mit übersee, sowie der Deutschen... Creator: Langhans, Paul, 1867-1952 Format: Maps/Atlases Collection: Norman B. Leventhal Map Center Collection Date: [1899] Institution: Boston Public Library
22. Magnetic variation chart for the year 1882 Creator: United States. Hydrographic Office Format: Maps/Atlases Collection: Norman B. Leventhal Map Center Collection Date: 1882 Institution: Boston Public Library
23. Map no. 245 Format: Maps/Atlases Collection: Norman B. Leventhal Map Center Collection Date: [1910–1919] Institution: Boston Public Library
24. Map of Boston and adjacent country showing that city to be the geographical as well as intellectual and moral centre of one half of the globe Creator: Shortfellow, A. Format: Maps/Atlases Collection: Norman B. Leventhal Map Center Collection Date: [ca. 1871] Institution: Boston Public Library
25. A map of the world Creator: Buell, Lucretia H., 1800-1860 Format: Maps/Atlases; Manuscripts Collection: Norman B. Leventhal Map Center Collection Date: 1814 Institution: Boston Public Library
26. [Map of the world] Creator: Tsurumine, Shigenobu, 1788-1859 Format: Maps/Atlases Collection: Norman B. Leventhal Map Center Collection Date: [1844] Institution: Boston Public Library
27. Map of the world Creator: Rand McNally and Company Format: Maps/Atlases Collection: Norman B. Leventhal Map Center Collection Date: [1905] Institution: Boston Public Library
28. A map of the world from the best authorities Creator: Thackara & Vallance; Carey, Mathew, 1760-1839 Format: Maps/Atlases Collection: American Revolutionary War-Era Maps (Collection of Distinction) / Norman B. Leventhal Map Center Collection Date: [1800] Institution: Boston Public Library
29. [Map of the world on a polyconic projection] Format: Maps/Atlases; Manuscripts Collection: Norman B. Leventhal Map Center Collection Date: [1850] Institution: Boston Public Library
30. Map of the world, on Mercator's projection Format: Maps/Atlases Collection: Norman B. Leventhal Map Center Collection Date: 1846 Institution: Boston Public Library