I've only ever killed three white-tails I think: 30-06 and 308 with 150 Partitions (old and new type) and 180 NBT
If caribou count;
223
22-250
6 mm
264 x 55 Swedish (Magnum
)
7mm-08
30-06
45 Colt (revolver and carbine)
45-70
38 Special
340 Wtby
358 Win
375 H&H