Siegfried Stangier has written:
'Retter, die vom Himmel kommen' -- subject(s): Helicopters in search and rescue operations, Mountaineering, Search and rescue operations
Siegfried Lilienthal has written: 'Schinkel'
Siegfried Trautmann has written: 'Investitionen'
Siegfried Schelling has written: 'Spurennetz'
Siegfried Mrotzek has written: 'Kleinholz'
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'
Siegfried Bader has written: 'NOTZINGER HEIMATBUCH'
Siegfried Otto has written: 'Tabellenbuch: Chemie'
Siegfried Drescher has written: 'Wer war Kant?'