Jacob Burckhardt/ Oswyn Murray/ Sheila Stern (TRN)
(1)
Made for Success/ John Maxwell (NRT)/ Sheila Murray Bethel (NRT)/ Brian Tracy (NRT)/ Zig Ziglar (NRT)
(1)
Sheila Murray Bethel (CON)/ Larry Iverson (CON)/ Brad Worthley (CON)/ John C. Maxwell (NRT)/ Les Brown (NRT)
(1)