Reference Books (used for calculation and construction of birthcharts)
The Concise Planetary Ephemeris for Years 1900-2000 (The Hieratic Publishing Co.)
The American Ephemeris for the 20th Century (A.C.S. Publications)
The American Ephemeris for the 21st Century (A.C.S. Publications)
Raphael's Tables of Houses for Northern and Southern Latitudes (W. Foulsham & Co.)
Raphael's Yearly Ephemerides (W. Foulsham & Co.)
Longitudes and Latitudes Throughout the World (American Federation of Astrologers)
Useful Websites
A major resource guide for news and information worldwide is available from:
The Astrological Association of Great Britain
http://www.astrologer.com/aanet
If you are looking to study yourself contact:
The Faculty of Astrological Studies
http://www.astrology.org.uk
The Centre for Psychological Astrology
http://www.cpalondon.com
For those seeking a practitioner who has undergone formal training with an organised school, The Association of Professional Astrologers (APA) publishes a list of its members.
http://www.professionalastrologers.org
A wide range of computer programs can produce professional reports for natal charts, chart comparisons and for forecasting. A few of the most important suppliers can be contacted at:
Electric Ephemeris
http://www.electric-ephemeris.com
Astrolabe
http://www.alabe.com/
Esoteric Technologies
http://www.esotech.com.au