Statistics for occurrence #1 of “Pittsburg, Pa.” in entry census-united-states of Harper's Encyclopedia of United States History:

...48,477112,415 Baltimore, Md.508,957434,43974,518 Cleveland, O.381,768261,353120,415 Buffalo, N. Y.352,387255,66496,723 San Francisco, Cal.342,782298,99743,785 Cincinnati, O.325,902296,90828,994 Pittsburg, Pa. 321,616238,61782,999 New Orleans, La.287,104242,03945,065 Detroit, Mich.285,704205,87678,828 Milwaukee, Wis.285,315204,46880,847 Washington, D. C.278,718230,39248,326 Newark, N. J.246,070181,8306...
Max. Freq. Min. Freq.
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† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.