Advertisement, in Monthly Critical Gazette, Londra, Sherwood, Jones, and Co., dicembre 1824, p. 578.
[Advertisement], in The Quarterly Literary Advertiser (Part of The Quarterly Literary Journal), ottobre 1828, Duke-Street, Piccadilly, Londra, John Sharpe, 1828, p. 17. URL consultato il 16 marzo 2014.
John Hill, Fluvius, in Urania: Or, a Compleat View of the Heavens; Containing the Antient and Modern Astronomy, in Form of a Dictionary: Illustrated with a Great Number of Figures ... A Work Intended for General Use, Intelligible to All Capacities, and Calculated for Entertainment as Well as Instruction, Londra, T. Gardner, 1754.
John Hill, Pigeon, in Urania: Or, a Compleat View of the Heavens; Containing the Antient and Modern Astronomy, in Form of a Dictionary: Illustrated with a Great Number of Figures ... A Work Intended for General Use, Intelligible to All Capacities, and Calculated for Entertainment as Well as Instruction, Londra, T. Gardner, 1754.
