"De legibus," from Cicero. Cicero was a Roman philosopher, politician, lawyer, orator, political theorist, consul and constitutionalist (106-43 BC).

"Brutus," from Cicero. Cicero was a Roman philosopher, politician, lawyer, orator, political theorist, consul and constitutionalist (106-43 BC).

"De Partitione Oratoria," from Cicero. Cicero was a Roman philosopher, politician, lawyer, orator, political theorist, consul and constitutionalist (106-43 BC).

"Theologia Scholarium" from Petrus Abaelardus. Peter Abelard was a medieval French scholastic philosopher, theologian and preeminent logician (1079-1142)

"Abaelardi ad amicum suum consolataria epistola" from Petrus Abaelardus. Peter Abelard was a medieval French scholastic philosopher, theologian and preeminent logician (1079-1142).

"Fabulae" from Aesopus. Aesop (620-564 BCE) was an Ancient Greek fabulist or story teller credited with a number of fables.

"De Pictura" from Leon Battista Alberti. Leon Battista Alberti was an Italian author, artist, architect, poet, priest, linguist, philosopher, cryptographer and general Renaissance humanist polymath (1404-1472).

"Momus sive de principe" from Leon Battista Alberti. Leon Battista Alberti was an Italian author, artist, architect, poet, priest, linguist, philosopher, cryptographer and general Renaissance humanist polymath (1404-1472).

"De Fato" from Albertus Magnus. Albertus Magnus, (1193-1280), also known as Albert the Great and Albert of Cologne, was a Catholic saint.

"De quindecim problematibus" from Albertus Magnus. Albertus Magnus, (1193-1280), also known as Albert the Great and Albert of Cologne, was a Catholic saint.