 During the following years, Nicolas attempted in vain to establish a pearl business, and fought against Dutch intrusions by Joris van Spilbergen.Ruined, Nicolas went back to Spain to obtain more funds, and once again set to develop the pearling business, receiving Royal Orders in May 1618.He finally returned to Spain in 1623, where he published in 1624 his "Hydrographic and Geographic Descriptions of Many northern and Southern Lands and Seas in the Indies, Specifically of the Discovery of the Kingdom of California".