Allan,
I am pretty much self taught from a Digital perspective, I really just applied all the stuff I learned in Art School so I have no real reference to point you to.I used to have these two old soft cover "Learn How to Paint with Oils, and Learn How to Paint with Pastels...." they were made in the sixties I think and they were fantastic ...I did a search for them awhile ago but they are long gone I imagine! I would always refer back to them...it was like Painting for Dummies!
BUT,,,,I do have a little article , about 10 pages or so I found while reasearching JC Leyendecker...my hero... it is really inspiring and quite a tutorial on the "old ways"...you may find it helpful. I will use the contact from your site.
I will email it to you right now, please let me know if this is of any help to you.
I respect all the help and advice you give out to some of the kids on this forum...and me too...LOL!
R