Book: Britton, Frank. 1982 English Delftware in the Bristol Collection.
• Three powdered manganese barrels: nos. 15.61-.63, the last being most similar in form to the 03.22.108; no. 15.61 for other related examples.Book: Archer, Michael. 1997 Delftware: The Tin-glazed Earthenware of the British Isles, a Catalogue of the Collection in the Victoria and Albert Museum.
• Powdered blue barrel: no. E.22, with slightly different proportions. Notes several in two sizes with powdered blue or powdered manganese grounds; landscape versions from Dublin, Ireland. Probably London, c. 1750Book: van den Bossche, Willy. 2001 Antique Glass Bottles: their history and evolution (1500-1850). 439.
• French blue glass barrel-shaped small "brandy bottle" and large "storing barrel": p. 209, pl. 158, respectively early 18th century and c. 1880-1920.