The famous Italian artist Raphael's illustrations, drawings and portraits, shown in this book of plates by Oskar Fichnel.
Oskar Fischel (born July 10, 1870) was a German art historian. Fischel studied art history in Kanigsberg and Georg Dehio in Strasbourg, where he published a dissertation on Raphael's drawings in 1896. In 1900/01 he edited the Kupferstichsammlung of the Wallraf-Richartz-Museum in Cologne, later the collections of the Lipperheideschen costume library in Berlin. In 1914 he qualified as a professor of art history with a study on the visual arts and the stage at the University of Berlin.