The year of three popes - Hebblethwaite, Peter (London : Collins, 1978)
Includes index.
Bibliography: p. 213-214.
Keywords: Paul -- VI, -- Pope, -- 1897-1978.; John Paul -- I, -- Pope, -- 1912-1978.; John Paul -- II, -- Pope, -- 1920-2005.; Papacy -- History -- 20th century; Popes -- Biography