Donald A. Filtzer has written at least 5 books. Their most popular book is Fortress Dark and Stern with 2 saves with an average rating of -⭐.
Series
7 released booksAuthored 14% of series
Studies in European History is a 7-book series with 7 released primary works first released in 1987 with contributions by Peter Burke, Donald A. Filtzer, and Hugh Gough.