COUNTRY LAP STEEL - C6th and E9th Tunings (PDF Digital Download-only) 58 pages. — Volk Media Books
C6th Gold: 30 Great Songs Arranged for Lap Steel in C6th Tuning - Revised Edition — Volk Media Books
La Bella Lap Steel Guitar C6 – Thomann United States
John Pearse Hawaiian Lap Steel, C6 Tuning 6-String Set - Steel Guitar Shopper aka The Steel Guitar Forum Store
Morrell JMLS-E Premium 6-String Lap Steel Guitar Strings for E-Tuning – Morrell Music Company
C6 Tuning - Fretboard Diagrams - Slants, Chords, and more - YouTube
The Lap Steel Tunings Database - 100 tunings for lap steel guitar!
Amazon.com: Lap Steel E Tuning Guitar Fretboard Note & Rolls Chart - Beginners & Intermediate Instructional Easy Poster Chords 11"x17" | A New Song Music : Musical Instruments