The Annotated Prince - The Prince by Niccolò Machiavelli with notes by Gene Gessert

Sources

Bibliography of works sited in the notes and comments:

Arrian
Arrian of Nicomedia The Anabasis of Alexander. Translator: E. J. Chinnock, Project Gutenberg, 2014 [EBook #46976].
Cornell and Matthews
Cornell, Tim and Matthews, John The Atlas of the Roman World. In North America: Facts on File, 1983. ISBN 978-978-0871966520 Atlas of the Roman World (Cultural Atlas of)ad
Goldsworthy
Goldsworthy, Adrian How Rome Fell: Death of a Superpower ad . Yale University Press (September 28, 2010).
Hale - Florence
Hale, J.R. Florence and the Medici. London: Phoenix Press, 2001.
Machiavelli - Alvarez
Alvarez, Leo Paul S. de. The Prince.  Translator: Leo Paul S. de Alvarez. Long Grove, Il: Waveland Press, 1980.
Machiavelli - Marriott
Machiavelli, Niccolò. The Prince.  Translator: W. K. Marriott. Project Gutenberg EBook: February 11, 2006.
Suetonius
C. Suetonius TranquillusThe Lives of the Twelve Caesars . Translator: Alexander Thomson, M.D. , Project Gutenberg, 2006 [EBook #6400].
Machiavelli - Thompson (cited as The Discourses)
Machiavelli, Niccolò. Discourses on the First Decade of Titus Livius.  Translator: Ninian Hill Thomson. Project Gutenberg EBook: January 25, 2004 [EBook #10827].
Mallett - Borgias
Mallett, Michael Edward. The Borgias: The Rise and Fall of a Renaissance Dynasty . The Bodley Head; hardcover edition (September 1969). ISBN-13: 978-0370004105
Mallett and Shaw
Mallett, Michael and Shaw, Christine. The Italian Wars 1495 - 1559. Routledge, 2012, ISBN 913:978-0-582-05758-6.
Morganthau
Hans Joachim Morganthau. Politics Among Nations. Alfred A. Knoph, 1978, ISBN 0-394-32193-6.
Najemy
Najemy, John M. A History of Florence 1200-1575. Blackwell Publishing, 2006, ISBN 978-1-4051-1954- 2.
Najemy (ed)
Najemy, John M. (editor) The Cambridge Companion to Machiavelli. Cambridge University Press, 2010, ISBN 978-0-531-67846-0.
Parks
Parks, Tim. Medici Money. New York:  Norton, 2005.