Symmetrical or Uranian Astrology

Dial Detective: Investigating with the 90 Degree Dial, Maria Kay Simms, revised 2nd edition, Cosmic Muse Publications. *

Rules for Planetary Pictures, Alfred Witte and Herman Lefeldt, Penelope Publications. *

Various online articles:

•Symmetrical Astrology: An Overview of Its Origins, Gary Christen.

•Planetary Pictures: An Introduction, Gary Christen.

•Planetary Pictures 101, Gary Christen.

* Available from Astrolabe Inc. on the Books page.