Bookcover Patch Testing First Edition

Patch Testing, first Edition

Bookcover Patch Testing Second Edition

Patch Testing, 2nd Edition

Bookcover Patch Testing Third Edition

Patch Testing, 3rd Edition

Bookcover Patch Testing Fourth Edition

Patch Testing, 4th Edition

Unwanted effects First edition

Unwanted Effects of Cosmetics and Drugs Used in Dermatology, first Edition

Unwanted effects Second edition

Unwanted Effects of Cosmetics and Drugs Used in Dermatology, 2nd Edition

Unwanted effects Third edition

Unwanted Effects of Cosmetics and Drugs Used in Dermatology, 3rd Edition

Essential Oils

Essential Oils: Contact Allergy and Chemical Composition

Monographs Volume 1, Part 1

Monographs in Contact Allergy, Volume 1, Non-Fragrance Allergens in Cosmetics, Part 1

Monographs Volume 1, Part 2

Monographs in Contact Allergy, Volume 1, Non-Fragrance Allergens in Cosmetics, Part 2

Monographs Volume 2

Monographs in Contact Allergy, Volume 2, Fragrances and Essential Oils

Dermatologie voor huidtherapeuten

Dermatologie voor Huidtherapeuten (Dermatology for Skin Therapists), first Edition

Voeten en huid, Editie I

Voeten en Huid (Feet and Skin), first Edition

Voeten en huid, Editie II

Voeten en Huid (Feet and Skin), 2nd Edition

Voeten en kanker

Voeten en Kanker (Feet and Cancer)

Voeten en nagels

Voeten en Nagels (Feet and Nails)

Voeten en schimmels

Voeten en Schimmels (Feet and Fungi)

Casuistiek deel I

Casuïstiek deel I (Case Reports in Dermatology, Part 1)

Casuistiek deel 2

Casuïstiek deel 2 (Case Reports in Dermatology, Part 2)

Nagelaandoeningen

Nagelaandoeningen (Diseases of the Nails)

Leven met eczeem

Leven met Eczeem (Living with Eczema)

500 Publicaties

500 Publicaties (Fivehundred Publications by the author)

Kanker en huid

Kanker en Huid (Cancer and Skin)

Dermatologie en Venereologie in de praktijk

Dermatologie en Venereologie in de Praktijk (Dermatology and Venereology in Practice)

Dermatologie en Venereologie in de praktijk

Thesis Adverse Reactions to Cosmetics, Commercial edition

Dermatologie en Venereologie in de praktijk

Voeten en Nagels (Feet and Nails), 2nd Edition

Dermatologie en Venereologie in de praktijk

Voeten en Vaten (Feet and Vessels)

Dermatologie en Venereologie in de praktijk

Verdachte Huidafwijkingen (Suspicious Skin Diseases)

Dermatologie en Venereologie in de praktijk

Dermatologie voor Huidtherapeuten (Dermatology for Skin Therapists), 2nd Edition

Dermatologie en Venereologie in de praktijk

Vijfenveertig Jaar Praktijk en Wetenschap (45 Years of Practice and Science) (practice/scientific autobiography)

Dermatologie en Venereologie in de praktijk

Monographs in Contact Allergy, Volume 3, Topical Drugs

Book Monographs 4 Systemic drugs

Monographs in Contact Allergy, Volume 4, Systemic Drugs