1. Anglerius, P.M.: 1530, De Orbe Novo Decades. 8 Decades, Alcalà de Henares.
2. Anon: 1970–1980, ‘Robert Recorde’, in C.C. Gillespie (ed.),Dictionary of Scientific Biography, Amercian Council of Learned Societies by Scribner, New York.
3. Apt A. (2004), ‘Edward Wright’, Oxford Dictionary of National Biography, Vol. 60, Oxford University Press, Oxford, pp. 437–438.
4. Nathanael Carpenter and English Geography in the Seventeenth Century