Gerhard Classen has written:
'Das Braugewerbe in Wissenschaft, Technik und Wirtschaft' -- subject- s -: Brewing, Brewing industry
E. Classen has written: 'On vowel alliteration in the Germanic languages'
Jens Erik Classen has written: '\\' -- subject(s): Political and social views
Wilhelm Classen has written: 'Aussengeltung des Reiches' -- subject(s): German Propaganda, Propaganda, German
Gerhard Schornhorst has written: 'Gerhard Scharnhorst'
Norbert Classen has written: 'Das Wissen der Tolteken' -- subject(s): Toltecs, Religion and mythology, Nagualism
Gerhard Murza has written: 'Rostock'
Gerhard Dengler has written: 'Die \\'
Gerhard Moltsen has written: 'Alexandra'
Gerhard Sommerhoff has written: 'Mexiko'
Gerhard Kowalewski has written: 'Integralreichungen'
Gerhard ROTH has written: 'Winterreise'
Gerhard Swoboda has written: 'Metamorphosen'