In the years before, during and after the Second Vatican Council Haarsma was involved in almost everything in the Dutch catholic and ecumenical field.
Frans Hals | Lange Frans | Frans van der Hoff | Frans Widerberg | Frans Helmerson | Frans Brüggen | Frans Bauer | Frans Pourbus | Frans de Waal | Frans Bruggen | Frans Wiertz | Frans van der Mijn | Frans van der Hoeven | Frans Tumbuan | Frans Post | Frans Koppelaar | Frans Hals Museum | Frans Alfons Janssens | ''Meeting of Arenberg with his troops'', 1662, by Adam Frans van der Meulen | Lange Frans & Baas B | Joseph Frans Lescrauwaet | Frans Wilhelm Lindqvist | Frans Wildenhain | Frans Weisz | Frans van Mieris the Younger | Frans Timmermans | Frans Teulings | Frans Reinhold Kjellman | Frans Pourbus the Elder | Frans Oerder |