- onderzeeboten". www.marineschepen.nl. 10
November 2016.
Retrieved 27
March 2018. "
Bouwnummer RDM-348, Hr. Ms. "Walrus", 1992, onderzeeboot". www.rdm-archief.nl. Retrieved...
- ed.). Zutphen:
Walburg Pers. ISBN 9789462490314. den Houter, F (1959).
Bouwnummer 300 SS 'Rotterdam' (in Dutch). Hilversum: De Boer. OCLC 902398264. Krijnen...
- "Zr. Ms. Bruinvis". www.defensie.nl (in Dutch).
Retrieved 2018-06-16. "
Bouwnummer RDM-353, Hr. Ms. "Bruinvis", 1994, onderzeeboot". www.rdm-archief.nl....
- Zwaardvis". dutchsubmarines.com. 2012.
Retrieved 26
September 2013. "
Bouwnummer RDM-320, Hr. Ms. "Zwaardvis", 1972, onderzeeboot". www.rdm-archief.nl...
- maritiemnederland.com.
Retrieved 10 May 2018.
Gerretse and Wijn, p.39 "
Bouwnummer RDM-279, Hr. Ms. "Dolfijn", 1960, onderzeeboot". www.rdm-archief.nl. Archived...
- York". The Times. No. 56537. London. 24
January 1966. col E, p. 10. "
Bouwnummer RDM-301, s.s. "Chelwood Beacon", 1960, tanker" (in
Dutch and English)...
- 2018. "Holland (D808)". www.navyinside.nl.
Retrieved 15
September 2018. "
Bouwnummer RDM-266, Hr. Ms. "Holland", 1955, onderzeebootjager". www.rdm-archief...
- York". The Times. No. 56537. London. 24
January 1966. col E, p. 10. "
Bouwnummer RDM-301, s.s. "Chelwood Beacon", 1960, tanker" (in
Dutch and English)...
