This is a collection of photographic formulas that I have used and in some cases, still use. It is formatted in a .pdf that can be printed on executive size stock and then inserted into a small ring binder ideally sized for your darkroom.
A reasonably current list of resources for pt/pd printing.
This is a somewhat dated pt/pd printing manual. It was written right before digital negatives really hit their stride. Consequently, some of it seems a little quaint at this point. The formulas and general information have not changed, however.
A basic set of palladium printing instructions.