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In 1973, he founded the Mayo School of Astrology, which after his death has operated from Truro, Cornwall. The school, a member of the Advisory Panel on Astrological Education, offers correspondence courses at both certificate and diploma level and issues a list of its qualified consultants who have gained its diploma, D.M.S.Astrol. Diploma holders are eligible to apply for membership to the Association of Professional Astrologers International.
- Mayo, Jeff (1970). Teach Yourself Astrology. Shambala Publications.
- Mayo, Jeff (1970). Astrology: A Key to Personality (2nd Revised ed.). C.W. Daniel.
- Mayo, Jeff (1976). The Astrologer's Astronomical Handbook (3rd Revised ed.). L. N. Fowler.
- Mayo, Jeff (1986). The Planets and Human Behavior (1st USA ed.). USA: Crcs Publications.
- Mayo, Jeff (1996). Christine Ramsdale (editor), ed. Astrology (Teach Yourself) (3rd Revised ed.). Teach Yourself.
- Mayo, Jeff; Peter West (2000). How to Read Raphael's "Ephemeris" (2nd Revised ed.). Foulsham.