Places to go for more information:
Websites:
Mosin-Nagant dot Net
Mosin-nagant.com
7.62x54r Dot Net
Bill's PPSh-41 Pages
Luger Forum.com
Article on the DP-27 from www.cruffler.com
Modern Firearms and Ammunition
Ostfront Militara online store
Wehrmacht Awards.com
Forums:
GUNBOARDS.COM
Hk94.com Gun Forum
Axis History Forum
Jan C Still's German Lugers and Axis Pistols (registration required)
Miscellaneous Articles:
Mosin Nagant m44 Bayonets
7.62x54r Cartridges
7.92 kurtz