Article Barbieri, Francesco; Cattelani Degani, Franca; (1995-96 (pub. 1997))
I corrispondenti di Paolo Ruffini (/isis/citation/CBB000082237/)

Article Ayoub, Raymond G.; (1980)
Paolo Ruffini's contributions to the quintic (/isis/citation/CBB000009986/)

Chapter Bryce, R. A.; (1981)
Ruffini and the quintic equation (/isis/citation/CBB000024831/)

Article Cassinet, Jean; (1988)
Paolo Ruffini (1765-1822): La résolution algébraique des équations et les groups de permutations (/isis/citation/CBB000052835/)

Book Barbieri, Francesco; Cattelani Degani, Franca; (1997)
Catalogo della corrispondenza di Paolo Ruffini (/isis/citation/CBB000075976/)

Article Franci, Raffaella; (1992)
L'algebra in Italia dal 1799 al 1813 (/isis/citation/CBB000055323/)