Here is a booklist:
The Light of Egypt, Thomas Burgoyne, vols. I & II, Sun Books
Star Names, Their Lore And Meaning, Richard Hinckley, Dover Publications
Hebrew Astrology, Sepharial, Sun Books
Alan Oken's Complete Astrology, Bantam Books, Inc.
Contemporary Astrology, Jerry Williams, Para Research, Inc.
The Modern Textbook of Astrology, Margaret E. Hone, L.N. Fowler & Co. Ltd.
Ancient Hindu Astrology for the Modern Western Astrologer, James T. Braha, Hermatician Press
Astrology, The Divine Science, Marcia Moore and Mark Douglas, Arcane Publications
The Astrologer's Handbook, Frances Sakoian & Louis Acker, Harper & Row Publishers, Inc.
Astrological Patterns, The Key to Self-Discovery, Frances Sakoian & Betty Caufield, Harper & Row Publishers, Inc.
The A to Z Horoscope Maker and Delineator, Llewellyn George, Llewellyn Publications
The Only Way To Learn Astrology, vols. I, II & III, ACS Publications
The Rising Sign, Jeanne Avery, Doubleday & Co., Inc.
The Astrological Houses, The Spectrum of Individual Experience, Dane Rudhyar, Doubleday & Co., Inc.
Astrology for Millions, Grant Lewi, Llewellyn Publications
The Scientific Basis of Astrology, Michel Gauquelin, Stein and Day Publishers
A Handbook for the Humanistic Astrologer, Michael R. Meyer, Anchor Press/Doubleday