Murphet, Howard - Sai Baba – Man of Miracles, 1971

Murphet, Howard - Sai Baba Avatar, 1978

Murphet, Howard - Walking the Path With Sai Baba, 1982

Mustapa, Margit - Book of Brothers, 1963

Mustapa, Margit - Spaceship to the Unknown, 1960

Nelson, Buck - My Trip to Mars, the Moon and Venus, 1956

Nikhilananda, Swami - The Gospel of Sri Ramakrishna, 1942