The history of school counseling formally started at the turn of the twentieth century, although a case can be made for tracing the foundations of counseling and guidance principles to ancient Greece and Rome with the philosophical teachings of Plato and Aristotle. There is also evidence to argue that some of the techniques and skills of modern-day guidance counselors were practiced by Catholic priests in the Middle Ages, as can be seen by the dedication to the concept of confidentiality within the confessional. Near the end of the sixteenth century, one of the first texts about career options appeared: The Universal Plaza of All the Professions of the World, (1626) written by Tomaso Garzoni. Nevertheless, formal guidance programs using specialized textbooks did not start until the turn of the twentieth century.