topic

• Steamboats2

name

• Geo. H. Walker & Co2
• Fore River Ship and Engine Building Company (Mass.)1

collection

• Maps of North America2

place

• Boston2
• Boston Harbor (Mass.)2
• Boston Harbor Islands (Mass.)2
• Massachusetts2
• Boston Harbor Islands1

genre

• Aerial views2
• Maps2

publisher

• Geo. H. Walker & Co2

division

type

• cartographic2