The following encyclicals clearly explain the true meaning of Liberty and condemn those errors related to it. They also show the errors of the modern concept of Human Rights, especially those of "freedom of conscience" and "freedom of religion"
Pope Gregory XVI "Mirari Vos"
Condemnation of the errors ofliberalism
August 15 1832
Pope Leo XIII "Libertas"
June 4 1888
Pope Pius IX "Quanto Conficiamur"
Condemnation of modern errors
August 10 1863