Statistics for occurrence #1 of “Pittsburg, Pa.” in chapter 1 of Rebellion Record: a Diary of American Events: Index, Volume 1.:

...'s war proclamation in, D. ; critical position of, May 14, D. ; secession flag at, captured, D. ; prisoners captured at, D. ; Southern press on the occupation of, Doc. Alleghany arsenal, Pittsburg, Pa. , D. Alleghany co., Md., loyalty of, D. Allen, W. H., col. 1st regiment, N. Y. S. V., D. ; Doc. ; at Great Bethel, D. Allen, Ethan, his parallel, P. Allen Greys, ...
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