v. 1. Literature in medieval Germany, by P. Salmon.--v. 2. German literature in the sixteenth and seventeenth centuries, by R. Pascal.--v. 3. German literature of the eighteenth and nineteenth centuries, by E. L. Stahl and W. E. Yuill.--v. 4. Twentieth century German literature, by A. Closs, H. M. Waidson, and I. Keys.
