This isn't a complete WWII collection by any means but here are a few selections from the collection that have several WWII-related rifles (with some other stuff mixed in).
1944 Springfield Armory M1 Garand, .30-06
1941 Springfield Armory M1 Garand, .30-06
1939 Springfield Armory M1 Garand, .30-06
Springfield Armory 1903A3, .30-06
Eddystone M1917, .30-06
Inland M1 Carbine, .30 Carbine
Springfield Armory 1898 Krag, .30-40
Springfield Armory 1873 Trapdoor, .45-70
Ishapore Enfield 2A, 7.62x51mm
Savage Enfield No. 4, Mk I*, .303 British
Fazerkly Enfield No. 4, Mk 1/2, .303 British
MAS 36, 7.5x54mm
Mannlicher-Berthier M96/13, 8 mm Lebel
Swedish M1896 Mauser 1900 Oberndorf, 6.5x55mm
Swedish M1896 Mauser 1903 Gustav, 6.5x55mm
Swiss K31, 7.5x55mm
Swiss K31, 7.5x55mm
Yugoslavian M48 Mauser, 7.92x57mm
Mauser K98k, 7.92x57mm
Mauser K98k, 7.92x57mm
Type 99 Arisaka, 7.7x58mm
Mosin-Nagant M38, 7.62x54R
Mosin-Nagant M44, 7.62x54R
Mosin-Nagant 91/30, 7.62x54R
Finnish M39 Sako, 7.62x54R
Finnish M39 B-barrel, 7.62x54R