Basilius Bessarion
- Wikipedia article, drawn from the 1911 Encyclopedia Britannica.
- http://en.wikipedia.org/wiki/Basilius_Bessarion

Letter of Recommendation for Pietro del Sacco of Verona
- Partial Latin text and description of this manuscript written for Bessarion by his secretary.
- http://www.brynmawr.edu/library/speccoll/guides/gordanms155.shtml

Bessarion. In calumniatorem Platonis libri quatuor (1503).
- A brief biography of Bessarion, and a picture of this book which Bessarion wrote in an effort to reconcile classical philosophy with the Christianity of his time.
- http://www.lib.byu.edu/~aldine/33Bessarion.html

Biography.com: Bessarion, John
- Very brief article describing the life of this 15th-century scholar.
- http://search.biography.com/print_record.pl?id=7561

Johannes Bessarion
- Article from the Catholic Encyclopedia on this 15th-century Byzantine scholar, by U. Benigni.
- http://www.newadvent.org/cathen/02527b.htm