https://openlibrary.org/books/OL13500982M.opdsOur campaign around Gettysburg being a memorial of what was endured, suffered, and accomplished by the Twenty-third regiment (N.Y.S.N.G.) and other regiments associated with them, in their Pennsylvania and Maryland campaign, during the rebel invasion of the loyal states in June-July, 18632012-08-08T09:31:39ZJohn Lockwoodhttps://openlibrary.org/authors/OL2150877A/John_LockwoodA. H. RomeBrooklyn1864168 p. ;https://openlibrary.org/books/OL13500982Mhttps://archive.org/details/ourcampaignaroun00lock