21. Insulae Americanae in Oceano Septentrionali, cum terris adiacentibus Creator: Blaeu, Willem Janszoon, 1571-1638 Format: Maps/Atlases Collection: Robert E. Diefenbach Map Collection at Phillips Academy Date: [ca. 1600–1699] Institution: Phillips Academy
22. Johnson's Florida Creator: Johnson, A. J. (Alvin Jewett), 1827-1884 Format: Maps/Atlases Collection: Robert E. Diefenbach Map Collection at Phillips Academy Date: 1857 Institution: Phillips Academy
23. Johnson's map of New York and the adjacent cities Creator: Johnson, A. J. (Alvin Jewett), 1827-1884; Colton, J. H. (Joseph Hutchins), 1800-1893 Format: Maps/Atlases Collection: Robert E. Diefenbach Map Collection at Phillips Academy Date: [ca. 1863–1866] Institution: Phillips Academy
24. Johnson's New York Creator: Johnson, A. J. (Alvin Jewett), 1827-1884; Colton, J. H. (Joseph Hutchins), 1800-1893 Format: Maps/Atlases Collection: Robert E. Diefenbach Map Collection at Phillips Academy Date: [ca. 1862–1863] Institution: Phillips Academy
25. Main portion of Buffalo Creator: Rand McNally and Company Format: Maps/Atlases Collection: Robert E. Diefenbach Map Collection at Phillips Academy Date: (c) 1895 Institution: Phillips Academy
26. Main portion of Buffalo Creator: Rand McNally and Company Format: Maps/Atlases Collection: Robert E. Diefenbach Map Collection at Phillips Academy Date: (c) 1901 Institution: Phillips Academy
27. Mamaroneck, Scarsdale, White Plains, Harrison & Rye Creator: Beers, F. W. (Frederick W.), Warner, G. E. (George E.), 1826?-1927, Worley & Bracher, and McGuigan, James, approximately 1819- Format: Maps/Atlases Collection: Robert E. Diefenbach Map Collection at Phillips Academy Date: 1867 Institution: Phillips Academy
28. Map of Erie County, New York Creator: Munger, William P. Format: Maps/Atlases Collection: Robert E. Diefenbach Map Collection at Phillips Academy Date: (c) 1941 Institution: Phillips Academy
29. Map of New York and vicinity Creator: Cram, George Franklin, 1841-1928; Cram, George Franklin, 1841-1928 Format: Maps/Atlases Collection: Robert E. Diefenbach Map Collection at Phillips Academy Date: [ca. 1892] Institution: Phillips Academy
30. Map of New York City Creator: Rand McNally and Company Format: Maps/Atlases Collection: Robert E. Diefenbach Map Collection at Phillips Academy Date: (c) 1889 Institution: Phillips Academy