The first volume traces the development of organ literature and its various geographical schools, places the composers in a historical background of contemporary events and lists Bach organ compositions and compares their editions. 399 pages, softbound only
The second volume contains a biographical catalog of organ composers, including biographical sketches; alphabetical listings of each composerís works; the publisher, catalog number, and copyright date of the works and a publisherís directory. There is also a list of German chorale translations and a new list of corollary readings. More than 900 pages, hardbound only.