Yearbook on International Communist Affairs
... that, from 1966 to 1991, the Yearbook on International Communist Affairs was the most comprehensive annual survey of Communist activities worldwide?
... that, from 1966 to 1991, the <i id="mwA5E"><b id="mwA5I"><a href="./Yearbook_on_International_Communist_Affairs" id="mwA5M" rel="mw:WikiLink" title="Yearbook on International Communist Affairs">Yearbook on International Communist Affairs</a></b></i> was the most comprehensive annual survey of Communist activities worldwide?