The DWIC archives are primary resources for researching the history of the European expansion into West Africa and America. The records concern various themes such as commerce and slave trade, warfare, early modern diplomacy, plantation cultures and daily life issues. Moreover the DWIC archives contain information on the history of the regions where the DWIC founded colonies and trading posts. In many instances there is no other written information available for that period. The DWIC archives comprise of unique information that is important for the history of Brazil, Ghana, Guyana, the Netherlands, the Netherlands Antilles, Suriname and the United States and therefore have a great international value.