1. Symbolic logic: A razor-edged tool for drafting and interpreting legal documents;Allen;Yale Law Journal,1957
2. Language, law and logic: Plain legal drafting for the electronic age;Allen,1980
3. Towards a normalized language to clarify the structure of legal discourse;Allen,1982
4. Exploring computer-aided generation of questions for normalizing legal rules;Allen,1985
5. Analysis of the logical structure of legal rules by a modernized and formalized version of Hohfeld fundamental legal conceptions;Allen,1986