This is all the sites I have gotten my information from 

https://www.youtube.com/watch?v=2CV1tvMYFRs on this youtube series I took information from all of the episodes 

http://www.hmshood.com/

https://www.britannica.com/topic/Bismarck-German-ship

http://www.hmshood.com/crew/memorial/h/HollandLE.htm

Thanks to these sites for helping me with my research