1. Aberystwyth, National Library of Wales, MS Peniarth 392D.
2. Cambridge, Trinity College, MS R.3.20.
3. London, Guildhall Library, MS 5370.
4. San Marino, CA, Huntington Library, MS EL 26 C 9.
5. Alaimo, S. 2010. Bodily Natures: Science, Environment, and the Material Self. Bloomington, IN: Indiana University Press.