Helmut Ridder has written:
'Aktuelle Rechtsfragen des KPD-Verbots'
'Freiheit der Kunst nach dem Grundgesetz' -- subject(s): Constitutional law, Law and art
'Grundgesetz, Notstand und politisches Strafrecht' -- subject(s): War and emergency legislation
Allard de Ridder has written: 'Symphony in E minor'
Kathleen C. Ridder has written: 'Stories by Minnesota Women in Sports'
Helmut Dembsher has written: 'Sport'
Helmut Weyh has written: 'Kreativitat'
Helmut Schmolz has written: 'Heilbronn'
Helmut Sydow has written: 'Treibholz'
Helmut Junker has written: 'Traumkurs'
Helmut Pfisterer has written: 'Brauchvers'
Helmut Merten has written: 'Der Busentempel'
Helmut Schiller has written: 'Antonias Vater'
Helmut Metzger has written: 'Noch Ebbes'
Helmut Walbert has written: 'Der Riesenvogel'