[:en]On 16 September, 2016 authors Margriet Fokken and Barbara Henkes presented their slavery heritage guide of Groningen, together with their publisher de Passage. Below you find videos documenting the special event. You can order the book here.[:id]On 16 September, 2016 authors Margriet Fokken and Barbara Henkes presented their slavery heritage guide of Groningen, together with their publisher de Passage. Below you find videos documenting the special event. You can order the book here.[:nl]Op 16 september 2016 presenteerden auteurs Margriet Fokken en Barbara Henkes de Groningse gids, in samenwerking met uitgeverij de Passage. Hieronder staat de video documentatie van de bijzondere middag. Het boek kunt u hier bestellen.[:]