Siegfried Greif has written:
'Angebot und Nachfrage nach Patentinformationen' -- subject(s): Patent searching, Patents
Aline Bohm Greif has written: 'Our family through the generations'
Siegfried Lilienthal has written: 'Schinkel'
Siegfried Trautmann has written: 'Investitionen'
Siegfried Schelling has written: 'Spurennetz'
Siegfried Mrotzek has written: 'Kleinholz'
AVNER GREIF has written: 'INSTITUTIONS AND THE PATH TO MODERN ECONOMY: LESSONS FROM MEDIEVAL TRADE'
Stefan Greif has written: 'Die Malerei kann ein sehr beredtes Schweigen haben'
Siegfried Sommer has written: 'Marile Kosemund'
Siegfried Fink has written: 'Tabulatur 72 ='
Siegfried Zick has written: 'Poetic musings'
Siegfried Weinhold has written: 'Hallo, Gold!'
Siegfried. Klapper has written: 'Gouachen, Zeichnungen'