""Thirty Lectures On The Principles Of The Christian Religion: According To The Plan And Legacy Of Dr. Busby"" is a book written by Joseph Parsons in 1761. The book contains thirty lectures that cover the fundamental principles of the Christian religion. The lectures are based on the plan and legacy of Dr. Busby, who was a renowned theologian and scholar of the time. The book is divided into thirty chapters, each of which covers a specific topic related...