. . . . . . . . "Controversial literature"@en . . . . . . . "The 4th degree oath of the Knights of Columbus : an un-American secret society bound to the Italian Pope by pledges of treason and murder"@en . "The 4th degree oath of the Knights of Columbus an un-American secret society bound to the Italian Pope by pledges of treason and murder"@en . . . . "The 4th degree oath of the Knights of Columbus. An un-American secret society, bound to the Italian Pope, by pledges of treason and murder"@en . . .