An Introduction to Delineation of the Profession by Steven Birchfield

http://internationsocietyofclassicalastrologers.wordpress.com/2013/04/21/an-introduction-to-delineation-of-the-professional-signature/

I came across this on facebook and thought that some people might be interested in this. It is a heady subject at the best of times. But here is yet
an other thing to ponder.