&c was widely (exclusively?) used in the 18th century. I happen to have been looking at this newspaper ad most recently: https://i.imgur.com/ALe5XeT.jpg https:/

&c was widely (exclusively?) used in the 18th century. I happen to have been looking at this newspaper ad most recently: https://i.imgur.com/ALe5XeT.jpg https://i.imgur.com/ALe5XeT.jpg The inference is that the second book (Airs &c &c) will also be of Airs, Minuets, Gavotts, and Reels (or something similar). Also, 18th-century letters routinely end with some snowclone of "your most humble and obedient servant", with many writers eliding some or all of it with &c since it was understood.