• 10 Maps, Atlases

• 1 National parks and reserves

• 8 Mario Zucca Illustration

• 10 English

• 2 Pennsylvania
• 1 Buffalo
• 1 Buffalo (N.Y.)
• 1 Chicago (Ill.)
• 1 Detroit (Mich.)
• 1 Kansas City (Mo.)
• 1 Milwaukee (Wis.)
• 1 New York (State)
• 1 Philadelphia
• 1 Philadelphia (Pa.)
• 1 Pittsburgh
• 1 Pittsburgh (Pa.)
• 1 Portland (Or.)
• 1 Texas
• 1 United States

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