REMOVE

1. World Atlas
2. Pennsylvania
3. Maine

WHAT

1. Atlas Map (1)
2. Text Page (1)

WHERE

1. Ohio (2)
2. U.S. North East (2)
3. Canada (1)

WHO

1. Eberhardt, H. (1)
2. Habenicht, H. (1)
3. Justus Perthes (1)
4. Kuhn, E. (1)
5. Metzeroth, C. (1)

WHEN

1. 1875 (1)
2. 1929 (1)