Now what we need are the documents that Vreugdenhil used for 1625 to 1653

What we now need are the documents that supplied the information for Vreugdenhil's list for 1625 (the Eenhoorn) to 1653. He obviously had access to information that has not been published, and which Rick van Velden has not yet been able to find (at the Nationaal Archief). If it can be found, there almost certainly is more there than Vreugdenhil published, as he did not print armament lists, crews, and captains. Frank Fox predicted to me that we will eventually find everything we need to finish a comprehenive picture of the Dutch navy.