On the regulation of birth = Humanae vitae : encyclical letter - Catholic Church. Pope (1963-1978 : Paul VI); United States Catholic Conference (Washington, D.C. : United States Catholic Conference, 1997)
"Given at Rome, from St. Peter's, this 25th day of July ... in the year 1968, the sixth of Our Pontificate"--P. 20.
"Publication No. 280-2, United States Catholic Conference, Washington, D.C."--P. 4 of cover.
Includes bibliographical references and index.
Keywords: Birth control -- Religious aspects -- Catholic Church; Birth control -- Papal documents; Marriage -- Papal documents