I currently have the following:
Sierra 5th Edition
Speer 14th Ed.
Hornady 8th Ed.
Lyman 49th Ed.
Nosler 6th Ed.
Out of all of them, I feel that Lyman has the most extensive listing of powder/bullet combinations, but I prefer the Sierra manual.
In all honesty, the more manuals you have, the better. If you don't have data for a particular bullet, you can cross-reference all your manuals to find a load that will work.
A good reloading library is worth its weight in gold.
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