↑ Hough, Barry; Davis, Howard; Davis, Lydia (2010). Coleridge's Laws: A Study of Coleridge in Malta . Open Book Publishers. pp. 28–. ISBN978-1-906924-12-6。
↑ Frederick George Netherclift (1862). The Hand-book to Autographs: Being a Ready Guide to the Handwriting of Distinguished Men and Women of Every Nation . JR Smith. p. 1.