1909
A.J. Finberg, A Complete Inventory of the Drawings of the Turner Bequest, London 1909, vol.I, p.561, as ‘The following list of subjects, written in pencil, by Turner: – “Trajan’s Col. | Antoine ditto. | Nero (?Nerva) Forum. | Tower of Capitol | Porto di Ripetta. | Fountain of Egeria. | Raffael’s House. | Ditto. | Villa Borghese. | Colanna Pine [Query, Colonna, a village outside of Rome.] | Consulta. | French Academy. | St. John Lateran. | Bath of Titus. | Forum of Octavia. | Aqua Acetosa (?):” also – “90 | 13 | 270 | 90 | 1170” ’.
1969
John Gage, Colour in Turner: Poetry and Truth, London 1969, p.101 note 127.