by Hart de Fouw (Introductory Vedic Astrology).

While a direct official "free link" to a modern PDF is often restricted by copyright, historical versions like Sulabh Jyotishhajnj-aan (1943) are available for free at the Internet Archive . Key Feature: The "Simplified Muhurta" System

If you still encounter a site claiming to offer a free PDF of Sulabh Jyotish Shastra, use these safety checks: