The following is a partial list of resources that are very educational and informative on the therapeutic benefits of humor and laughter.  It will be updated as needed.

•  Berk, Lee & Tan, Stanley:  Laughter and The Immune System, A Serious Approach. TouchStar Productions, 522 Jackson Park Drive, Meadville, PA 16335
• Cousins, Norman:  Anatomy of an illness as perceived by the patient.  New York,NY.  W.W. Norton
• Davis, Ken:  Lighten UP!.  Zonderan Publishing House, Grand Rapids, MI 49530
• Goodheart, Annette, Ph.D:  Laughter Therapy:  How to Laugh About Everything in Your Life That Isn't Really Funny.  Less Stress, P.O. Box 40297. Santa Barbara, CA 93140-0297
• Goodman, Joel:  Laffirmations: 1001 Ways to Add Humor to Your Life and Work.  Health Communications, Inc, Deerfield FL
• Klein, Allen:  Quotations to Cheer You Up When the World is Getting You Down.  Wings Books, 201 East 50th Street, New York, NY 10022 
• Klein, Allen:  The Courage to Laugh.  Jeremy P. Tarcher/Putnam, 375 Hudson Street, New York, NY 10014
• Metcalf, C.W.:  Lighten Up!:  Survival Skills for People Under Pressure.  Addison-Wesley Publishing Company, Reading, MA 01867
• Rosenbloom, Joseph:  World's Toughest Tongue Twisters.  Sterling Publishing Company,Inc, 37 Park Avenue South, New York, NY 10016
• Robinson, Vera:  Humor and The Health Professions 2nd ed..Thorofare, NJ. Charles B. Stack
• Wheeler, Forrest:  Using The Power of Humor to Improve Your Life. Best Sellers Books, Wilsonville, OR
• Wooten, Patty, R.N.:  Compassionate Laughter Jest for Your Health.  Commune-A-Key Publishing, P.O. Box 58637,Salt lake City, UT 84158
• Wooten, Patty, R.N.: Heart, Humor & Healing. Jest Press, P.O. 84845, Santa Cruz, CA 95061