Subjects 1 - 33

• Portsmouth
• United States [6]
• New Hampshire [6]
• Portsmouth (N.H.) [5]
• Harbors [3]
• Manuscript Maps [2]
• Connecticut River Watershed [1]
• Revolution [1]
• Dover (N.H.) [1]
• Administrative and Political Divisions [1]
• Real Property [1]
• Forest Reserves [1]
• Buildings, Structures, Etc [1]
• Rochester [1]
• Fortification [1]
• Geology [1]
• Landowners [1]
• Rochester (N.H.) [1]
• Floods [1]
• Durham [1]
• Dover [1]
• Durham (N.H.) [1]
• History [1]