The Bear Cave System of Interactive Caves is a fully copywrited entity owned by Mr. Vincent:

This copyrighted material may be quoted and/or reprinted for non-commercial purposes up to and inclusive of not more than two pages without the express written permission of the author and or publisher, provided the following credit line appears with any material quoted:
Taken from books by Robert William Vincent and more specific state the book and chapter.
Author expressly adopts and holds all copyrights unto his materials in every shape, manner and form and states: ANY INFRINGEMENT SHALL BE LEGALLY TAKEN TO COURSE FOR COPYRIGHT INFRINGEMENTS.
Copywrited @ as of November 09, 2004: Standard Copyright License
All violators will be taken to a Court of Law
Mr. Vincent may be contacted at:
408 East 5th Avenue, Arkansas City, Kansas 67005