Reloader's Nest - all the reloading data you could ever want:
http://www.reloadersnest.com/
Vihtavuori data (as a pdf):
http://www.lapua.com/fileadmin/user_upl ... de2008.pdf
Hodgdon, IMR and Wincheater data:
http://data.hodgdon.com/main_menu.asp
Nosler data:
http://www.nosler.com/index.php?p=15
Alliant data:
http://www.alliantpowder.com/reloaders/index.aspx
Norma data:
http://www.norma.cc/sortimentladd.asp?doc=Sort&Lang=2
Accurate data (as a PDF):
http://www.accuratepowder.com/data/Accu ... cation.pdf
Barnes bullets:
http://www.barnesbullets.com/
SAAMI:
http://www.saami.org/