REMOVE

1. Atlas Map
2. Pittsburgh (Pa.)

WHAT

1. City Atlas (35)
2. World Atlas (8)
3. National Atlas (6)
4. Railroad (4)

WHERE

1. Pennsylvania (44)
2. Allegheny (Pittsburgh, P … (13)
3. Cincinnati (Ohio) (8)
4. Ohio (5)

WHO

1. Appleton, D. & Co. (1)
2. Arms, C.T. (1)
3. Arms, W.F. (1)
4. Arthus Bertrand (1)
5. Beresford, C. M. (2)
6. Busch, Edward (3)
7. Caldwell, Joseph A. (1)
8. Chapman, F.A. (1)
9. Charpiot, S. A. (2)
10. Collot, George Henri Vict … (1)
11. Colton, G.W. (7)
12. Colton, J.H. (1)
13. Cram, George Franklin (1)
14. D. Appleton & Co. (1)
15. Fisher, Richard Swainson (4)
16. Francis, Tench, d. 1758 (1)
17. G. W & C. B. Colton & Co. (3)
18. G.M. Hopkins & Co. (35)
19. G.W. & C.B. Colton (1)
20. George F. Cram (1)
21. H.J. Toudy & Co. (2)
22. Hart & Mapother. (1)
23. Hayes, E. F. (2)
24. Hayes, Eli L. (2)
25. Hopkins, Griffith Morgan (3)
26. Howden, J.A. (1)
27. J. H. Colton. (1)
28. J.A. Caldwell (1)
29. J.H. Colton (2)
30. Kerstetter, W.J. (1)
31. Krebs, Otto (1)
32. Mason, P.L. (1)
33. Matthews-Northrup Co. (1)
34. Power, J.J. (1)
35. Rand McNally (1)
36. Rand McNally and Company (4)
37. Sanford, F. L. (2)
38. Sherman, J. H. (2)
39. State Farm Insurance Comp … (1)
40. Tardieu, P.F. (1)
41. Titus, Simmons & Titus (2)
42. Underwood, J.A. (1)
43. Wise, C. (1)
44. Woods, George (2)
45. Worley & Bracher (2)

WHEN

1. 1872 (35)
2. 1877 (2)
3. 1924 (2)
4. 1796 (1)
5. 1856 (1)