Geschiedenis van de Nederlandse Koopvaardij in de Tweede Wereldoorlog

By Bezemer, K. W. L.
(History of the Dutch merchant service in World War II)
1987, Elsevier, Amsterdam
ISBN 9010060403
1446 pages
book is in Dutch language

Descripton: There are two main volumes. The writer had access to the war diaries of the U-boats and compared them with the reports of the Dutch ships. Excellent, but probably not available in English. A third volume entitled "Supplement" was published in 1990.