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 Linn has written: 'Okumene'
Gerhard Rebmann has written: 'Bekleidungsworterbuch'
Gerhard Swoboda has written: 'Metamorphosen'
Gerhard Baer has written: 'Peru'
Gerhard Roos has written: 'Eliten'
Gerhard Dengler has written: 'Die \\'