Alfred and Carol Robertson Image Collection Personal photographic collection belonging to Mr Alfred and Mrs Carol Robertson. Consists of 22 digital copies of photographic prints and 1 large laminated print. The laminated print is an image of typists working at the Head Office of the Port of London Authority (PLA) c1930. This item is a copy of an image from the collections of Museum of London Docklands. The digital images are copies of black and white photographs. 21 of these images are copies of photographs of Columbia Market, Columbia Square, Columbia Dwellings and the surrounding area in the 1950s. The remaining digital image is a copy of a photograph of a business ran by the Mrs Robertson's family at 437 Hackney Road, c1930s. 1930s-1950s