 Of her publication, she said (Data News, August 2001)

Rodden was best known for avidly collecting exact data of births and times of public figures and celebrities.Lois Rodden applied her rating system to all the older US data she had collected.This came from astrological organizations – like The Church of Light – data collections – like Sabian Symbols– and the astrological magazines that were very popular during the 1930s and 1940s.