Here is an excellent article from Popular Woodworking Magazine

Oil Finishes: Their History and Use

By: Bob Flexner | March 14, 2011

And one downloaded from the archives of Badger Pond

Thoughts on Oil Finishes for Wood

by James Vincent Doody, Jr.

And a final one on selecting a finish from Fine Woodworking magazine

Selecting A Finish

by Feff Jewitt