Book Leo Corry (2022)
British Versions of Book II of Euclid’s Elements: Geometry, Arithmetic, Algebra (1550–1750). (/isis/citation/CBB193067062/) unapi

Article Periton, Cheryl (2015)
The Medieval Counting Table Revisited: A Brief Introduction and Description of Its Use during the Early Modern Period. British Society for the History of Mathematics Bulletin (pp. 35-49). (/isis/citation/CBB001550652/) unapi

Book Roberts, Gareth; Smith, Fenny (2012)
Robert Recorde: The Life and Times of a Tudor Mathematician. (/isis/citation/CBB001213659/) unapi

Thesis Williams, Travis Dean (2006)
Ethos and Enargeia: Literary and Rhetorical Strategies of Early Modern Mathematics. (/isis/citation/CBB001561461/) unapi

Chapter Hughes, Barnabas (1993)
Robert Recorde and the first published equation. In: Vestigia mathematica: Studies in medieval and early modern mathematics in honour of H.L.L. Busard (p. 163). (/isis/citation/CBB000037782/) unapi