Joh Gerhard has written:
'Aarelandschaften' -- subject(s): Aar River (Switzerland) in art
Joh Pohler has written: 'Bibliotheca historico-militaris'
Gerhard Schornhorst has written: 'Gerhard Scharnhorst'
Joh Jansen has written: 'Beleuchtungstechnik' -- subject(s): Lighting
Gerhard Swoboda has written: 'Metamorphosen'
Gerhard Linn has written: 'Okumene'
Gerhard Rebmann has written: 'Bekleidungsworterbuch'
Gerhard Kowalewski has written: 'Integralreichungen'
Gerhard Sommerhoff has written: 'Mexiko'
Gerhard Murza has written: 'Rostock'
Gerhard ROTH has written: 'Winterreise'
Gerhard Baer has written: 'Peru'
Gerhard Raichle has written: 'Die \\'