Helmet Collector on Twitter: "Danish M39 - Worn by police and palace guard during and after #WW2. There would have been an emblem on the front http://t.co/eophf0s6wF" / Twitter
Militær, Hjelm - dba.dk - Køb og Salg af Nyt og Brugt
Mannie Gentile: Combat Helmets of the 20th Century: Danish M39 steel helmet