Jabarkan Catatan dari Konklaf Oktober–Desember 1590

Von Pastor, Lugwig (1932). "History of the Popes", V. 22. London

Chacón, Alfonso (1677). "Vitæ, et res gestæ Pontificvm Romanorum et P R. E. Cardinalivm ab initio nascentis Ecclesiæ vsque ad Vrbanvm VIII. Pont. Max," V. IV. Rome (Latin)

Eubel, Konrad (1922) "Hierarchia Catholica." V. IV. Padwa (Latin)