In 1910, Collier began printing The Harvard Classics in a limited quantity set called the Renaissance edition. This beautifully bound set includes 10 different bindings consisting of reproductions of the artistic bindings of Royal Monarchs of Europe from the sixteenth to nineteenth centuries. Collier also began printing the National (1910) and Popular (1912) editions with lower price points in an effort, claimed by Collier in many advertisements, to honor the wishes of Eliot that The Harvard Classics are priced within everybody's reach. An extremely popular crimson-colored silk cloth set similar to the look of the De Luxe Morocco edition began printing in 1914 and was called the Cambridge edition. Variations of the Cambridge edition were printed for over a decade in cloth over hardboards and later (after 1919) in an imitation leather binding material called fabrikoid.