Academic freedom and university organisation, Diss., 1973

Civil servant strike law (with T. Blanke), 1980

Privatisation law for civil servants, (with T. Blanke), 1999

The academic freedom of the employed researcher, 2000

Public transport between public welfare interests and the market (with U. Scheele), 2000

Protection of Tendencies and the Basic Law, 2001

The protection of the privatisation official according to Art. 143b para. 3 GG, 2003

Freedom of science and university modernisation (with J. Perels), 2003

Denationalisation of academic appointments, 2005

Privatisation of court and probation services, 2006

The referendum in favour of a Bavarian minimum wage law, 2008

On the genesis of the emergency laws, in: Sterzel, ed., Kritik der Notstandsgesetze, 1968, 7 ff.

Restrictions on the secrecy of correspondence, post and telecommunications, in: Sterzel, ed., Kritik der Notstandsgesetze, 1968, 24 ff.

Nur der autoritäre Staat verfolgt Kritik, in: Blanke, Brückner et al, eds, Der Oldenburger Buback-Prozess, 1979, 203 ff.

Die Entwicklung des Demonstrationsrechts von der Studentenbewegung bis heute (with T. Blanke), in: Cobler, Geulen, Narr, eds, Das Demonstrationsrecht, 1983, 53 ff.

Wolfgang Abendroth (1906-1985) - Revolutionary and constitutional lawyer of the labour movement, in: Kritische Justiz, ed. Streitbarer Juristen, 1988, 476 ff.

Compulsion to work in the welfare state, in: Stein, Faber, ed., Auf einem Dritten Weg (FS H. Ridder), 1989, 269 ff.

The case of Peter Brückner - An attack on the freedom of science, in: Seifert. Thörmer, Wettig, eds, Social or Socialist Democracy? (FS P. von Oertzen), 1989, 177 ff.

Fiat justitia, pereat Germania! German and the German Question, in: Fabricius-Brand, Isermann, Seifert, eds, Rechtspolitik "mit aufrechtem Gang" (FS W. Holtfort), 1990, 259 ff.

Staatliches Gewaltmonopol - Garant des Lebensschutzes?, in: Komitee für Grundrechte und Demokratie, ed., Staatliches Gewaltmonopol, bürgerliche Sicherheit und zeitige Freiheitsstrafe, 1994, 151 ff.

Functions of political justice - using the example of the criminal proceedings conducted against members of the Red Army Faction (RAF), in Görlitz, ed., Politische Justiz, 1996, 115 ff.

Demonstrations - a constitutional interpretation of civil protest in the Federal Republic since the beginning of the 1960s, in: Graczyk, ed., Das Volk - Abbild, Konstruktion, Phantasma, 1996, 207 ff.

Social fundamental rights, social civil rights, in: Jahrbuch Komitee für Grundrechte und Demokratie 1996/97, 171 ff.

Fundamental right of labour as a fundamental right to co-determination, in: Buckmiller, Perels, ed., Opposition als Triebkraft der Demokratie (FS J. Seifert), 1998, 266 ff.

Human Dignity and Tests, (with T. Blanke), in: Grubitzsch, ed., Testtheorie - Testpraxis, 2nd ed. 1999, p. 325 ff.

Überwindung des Anthropozentrismus im Grundgesetz, in: Lenk, Rumpf, Hieber, eds, Kritische Theorie und politischer Eingriff (FS O. Negt), 1999, 205 ff.

Die Einheit von Grundrechtsidee und Grundgesetz, in: Redaktion Kritische Justiz, ed., Demokratie und Grundgesetz, 2000, 156 ff.

Tension and defence, (Art. 12a para. 3-6, 53a, 80a, 87a para. 3, 115a, 115c - 115l GG) in: Denninger, Hoffmann-Riem et al, eds, Alternative Commentary on the Basic Law, 3rd ed. 2001

Co-determination as a constitutional mandate, in Faber, Frank, ed., Demokratie in Staat und Gesellschaft (FS E. Stein), 2002, 215 ff.

Constitutional and municipal law framework conditions for the privatisation of public tasks, in: Blanke/Fedder, eds., Privatisierung - ein Rechtshandbuch, 2nd ed., 2010, 190 ff.

Transfer of civil servants to privatised companies, in: Blanke/Fedder, ed., Privatisierung - ein Rechtshandbuch, 2nd ed., 2010, 574 ff.

20 Years of the Basic Law, KJ 1969, 244 ff.

Loyalty to the state versus freedom of opinion (with T. Blanke), KJ 1978, 419 ff.

Three readings of the word "Berufsverbot": Communist reading, government reading, constitutional reading, DuR 1981, 57 ff.

Freedom of demonstration - history and democratic function (with T. Blanke), KJ 1981, 347 ff.

Protection of fundamental rights in social welfare law, KJ 1986, 117 ff.

Freedom against dictated aid, Vorgänge 1987, 33 ff.

Chernobyl and no legal consequences, KJ 1987, 394 ff.

Freedom of assembly and compulsory attendance at school, KJ 1989, 307 ff.

De-radicalisation of the radical judicature, KJ 1989, 457 ff.

In a new constitution? On the necessity of a constitutional founding act for a united Germany, KJ 1990, 385 ff.

Off with the post? The Controversy over the Privatisation of the German Post Office (with T. Blanke), KJ 1993, 278 ff.

State objectives and fundamental social rights, ZRP 1993, 13 ff.

The school of the future between legal capacity and state supervision, ZBV 2004, 47 ff.