My late wife raised Wolves AND Wolf-Hybrids. She also wrote and Self-Published 2 very fine books on "Wolf-Hybrids". AND...she Self-Published a well-received semi-monthly Magazine on that subject for 16 years.
Since she is gone now...the books are "Out-of-Print" and the magazine was shut down years before that.
BUT....IF any of you are interested in that subject....there are used books available On-Line from sources such as bookfinder.com and Amazon.com as well as Ebay.com.