Law
- Fine Old Prints from the Law and other Areas
- Pandects and Roman Law in the 19th Century
- German Private Law in the 19th Century
- The German BGB from 1896/1900 in its early Development
- Private Law Development in the 20th Century
- Civil Procedure Law and Court Constitution, Insolvency Law
- International Private and Comparative Law
- Philosophy of Law, Legal Anthropology and Sociology of Law
- General Legal History
- Crime and Punishment: Criminal Law and Criminal Procedure
- Philosophy of the State, Political Ideas and Theory
- Public and Constitutional Law, Germany in particular
- Administrative Law and Bureaucracy
- Catholic and Protestant Canon Law
- War and Peace in International Law
- Legal Affairs of the European Union
- Commercial Law: Companies, Competition and Cartels
- Labour and Social Law
- Festschriften for celebrated Teachers of Law and legal Institutions
- Periodicals and Dictionaries from Law and other Fields