The quarterly astrological publication Considerations was published between 1983 and 2006. It had an international circulation. Over the years many excellent articles were written by a host of talented astrologers.

The issues can be be accessed for free here: http://freeconsiderations.com/magazine.shtml

Some articles that might interest traditional astrologers especially include:

Olivia Barclay, The Need for Traditional Astrology
Considerations Vol. XII, issue 3

Ken Negus, Kepler as Practicing Astrologer
Considerations Vol. XV, issue 4 (includes Kepler's own delineation of the famous Wallenstein Horoscope)

Robert Zoller, Astrology in America Prior to 1870
Considerations Vol. IX, issue 3

Mark