L, Klemen (1999–2000). "Lieutenant-General Hein Ter Poorten". Forgotten Campaign: The Dutch East Indies Campaign 1941-1942. Archived from the original on 2012-07-17. Retrieved 2011-12-07.
Visser, Jan (1999–2000). "The Sunda Strait Battle". Forgotten Campaign: The Dutch East Indies Campaign 1941-1942. Archived from the original on 2014-12-03. Retrieved 2011-12-07.
L, Klemen (1999–2000). "The Java Sea Battle". Forgotten Campaign: The Dutch East Indies Campaign 1941-1942. Archived from the original on 2011-07-26.
web.archive.org
L, Klemen (1999–2000). "Lieutenant-General Hein Ter Poorten". Forgotten Campaign: The Dutch East Indies Campaign 1941-1942. Archived from the original on 2012-07-17. Retrieved 2011-12-07.
Visser, Jan (1999–2000). "The Sunda Strait Battle". Forgotten Campaign: The Dutch East Indies Campaign 1941-1942. Archived from the original on 2014-12-03. Retrieved 2011-12-07.
L, Klemen (1999–2000). "The Java Sea Battle". Forgotten Campaign: The Dutch East Indies Campaign 1941-1942. Archived from the original on 2011-07-26.