Applied Astrology, Astrological Practice, and Career Analysis. This archival document is an instructional reference guide titled “PROFESSIONAL SIGNATURES” by Marion D. March. March outlines specific planetary placement rules, zodiacal emphases, and house dynamics corresponding to various career fields. The text provides vocational indicators across multiple professions, including the arts (visual artists, composers, conductors, singers, and writers), athletics (dancers, skaters, track athletes, tennis players, and golfers), business, legal careers (criminal lawyers, judges, corporate attorneys), religion, medicine (surgeons, pediatricians, nurses, researchers), politics, acting, aviation/spaceflight, and astrology.