REMOVE

1. Ohio
2. Brown
3. Ellicott
4. Cramer
5. Darby
6. Henry Tanner

WHAT

1. Atlas Map (2)
2. World Atlas (2)

WHERE

1. Eastern Hemisphere (2)

WHO

1. Bar, J.C. (2)
2. Berghaus, H. (2)
3. Edler (2)
4. Justus Perthes (2)
5. Stieler, Adolf (2)

WHEN

1. 1850 (1)
2. 1851 (1)
3. 1852 (1)
4. 1853 (1)