Valsecchi, Ambrogio..
Controversy : the birth control debate, 1958-1968 /
with an introduction by Gregory Baum, O.S.A. ; translated by Dorothy White 
. - Washington ; Cleveland  : Corpus Books,  1968 
. - XX, 235 p.  22 cm. 
<br/>К.: Бібліогр. в підрядк. прим.