Brongersma published extensively on a wide variety of topics, authoring some 1200 books and articles between 1930 and 1998 on social and philosophical subjects such as criminal law, constitutional law, criminology, philosophy, religion, sexology, legislation on public morals and literary topics.
Brongersma's work and activism regarding pedophilia focused exclusively on homosexual pedophilia between males[REF] and admitted several times that he knew little or nothing about heterosexual or lesbian pedophila.