Oxford, Bodleian Library MS. Ashmole 58. 1. 'The pleasant Founteine of Knowledg: first written in French Anno 1413, by John de la Founteine [Fountain] of Valencia in Henault, and translated, 1644, by Wm Backhouse of Swallowfield in com. Berks esqr.' 2. 'Planctus Naturae. The Complaints of nature against ye erronious Alchymist, by John de Mehung. Here Nature her complaint doth show'. 3. 'The Alchimist's Answer to Nature. Meeke and milde y Artist you see'. 4. 'A treatise of ye Philosophers Ston wrighten by Synesius ye Greeke abbot; taken out of ye Library of ye Emperor'.