I shoot almost exclusively cast in mine, but here's a few loads that will go well with the Hornady 205 gr jacketed. Beware though, many of the bores you encounter will go 0.330"-0.332", so the 0.329" bullet might not give top accuracy (whatever that means in one of these old girls).
H4895 - 30.0 grs
H4350 - 46.0 grs
H414 - 50.0 grs
H4831 - 56.0 grs