Perbandingan antara Unsur Kesengajaan dengan Unsur Kelalaian dalam Perbuatan Melawan Hukum menurut hukum Indonesia dan hukum Inggris = Comparative of Intentional and Negligence in Tort in Indonesia and United Kingdom

Perbandingan teori penyalahgunaan keadaan di Belanda, Indonesia, dan Jerman = The Comparative studies of undue influence in Dutch, German and Indonesian law

Constitutional juctice under old constutions

Major legal systems in the world today: an introduction to the comparative study of law

The strength and weakness of comparative law/Barnhard Grossfeld; translated by Tony Weir