Die Thomas-Mann-Literatur /
Jonas, Klaus W.
Thomas-Mann-Archiv (Zürich, Switzerland)
Berlin : Erich Schmidt, 
1972-97.
Includes index
Bd. 1. 1896-1955 -- Bd. 2. 1956-1975 -- Bd. 3. 1976-1994.
Mann, Thomas, 1875-1955