1816 Carlisle Wkly Herald (PA) 2 May 1/2: He acts as procuror, or stool pigeon, to a Faro bank [...] and divides the spoil with four other sharpers of the black leg tribe.at stool-pigeon, n.1
1860 Carlisle Wkly Herald (PA) 2 May 2/1: The whole tribe of professional shoulder-hitters [...] and blacklegs.at blackleg, n.1
1868 Carlisle Wkly Herald (PA) 12 June 2/8: He was known by the various names of ‘Pompey Jim,’ ‘Banty Jim,’ and Mr James Powell, the latter being his Sunday-go-to-meeting cognomen.at Sunday go-to-meeting, adj.
1869 Carlisle Wkly Herald (PA) 23 July 2/6: [William] Niblo, the proprietor of the popular leg shop [i.e. Niblo’s Garden in NYC], has gone to Europe.at leg shop (n.) under leg, n.
1886 Carlisle Wkly Herald (PA) 18 Feb. 1/6: Jack consented to make one or two trips with him to show him the ropes.at show (someone) the ropes (v.) under show, v.