Collected here are fourteen articles by one of the leading Renaissance scholars of our age. They range in time from her first critical essay in 1929 to her last in 1964, and reflect the major concerns of her scholarly career. Originally published in 1970. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.