Clerkenwell Green is a square in Clerkenwell. It was built in 1782 and extended in the Victorian period. There is no actual grass on the Green. In Charles Dickens' Oliver Twist, Clerkenwell Green is the site of the scene in Oliver Twist where Fagin and the Artful Dodger have Oliver pickpocket shoppers in the market.

In London Labour and the London Poor edition: 

Phase 1

Of the Street Sellers of Live Birds. (Volume 2): "The places where the street-sellers more especially offer their birds are—Smithfield, Clerkenwell-green, Lisson-grove, the City and New roads, Shepherdess-walk, Old Street-road, Shoreditch, Spitalfields, Whitechapel, Tower-hill, Ratcliffe-highway, Commercial-road East, Poplar, Billingsgate, Westminster Broadway, Covent-garden, Blackfriars-road, Bermondsey (mostly about Dock-head), and in the neighbourhood of the Borough Market."

Phase 2

OF THE WOMEN STREET-SELLERS.(Volume 1)