Herbert Petzold

European convention on human rights, texts and documents

1982

The European system for the protection of human rights

1993

The European convention on Human Rights

1981

Protecting human rights

1988

Protecting human rights

1990

Obstsorten. 500 Obstsorten in Wirt und Bild. (Fruits. 500 Fruits in Words and Pictures)

1993

Law in greater Europe

2000

Handbuch Obstsorten

2008

Handbuch des Obstbaus.

1993