American Civil War Battles, 1861-1865 • FamilySearch
1864 Johnson Map of Louisiana, Mississippi and Arkansas - Geographicus - MSLAAK-j-64 - PICRYL - Public Domain Media Search Engine Public Domain Search
1864 Johnson's Map of New England (Vermont, New Hampshire, Massachusetts, Rhode Island and CT) - Geographicus - VTNHMACTRI-j-64 - PICRYL - Public Domain Media Search Engine Public Domain Search
Johnson's New Military Map of the United States Forts, Military Posts & all the Military Divisions with Enlarged Plans of the Southern Harbors . . . (Shows Military Departments) - Barry Lawrence
State – Mississippi
1861 Johnson's Arkansas Mississippi and Louisiana – the Vintage Map Shop, Inc.
1861 Johnson Map of Mississippi, Louisiana ^ Arkansas - Geographicus - AKLAMI-j-62 - PICRYL - Public Domain Media Search Engine Public Domain Search
1861 Johnson Map of Mississippi, Louisiana ^ Arkansas - Geographicus - AKLAMI-j-62 - PICRYL - Public Domain Media Search Engine Public Domain Search
Image of 1864, Johnson Map of Virginia, West Virginia, Maryland, and Delaware
Post Office Reports of Site Locations, 1837–1950
Johnson's Maine.: Geographicus Rare Antique Maps