Pope Leo XIII Complete Set of Encyclicals Volume I of IV. 252 Pages. In Chronological Order. Volume I covers from April 21, 1878 to Dec 22, 1885. Volume I 1. INSCRUTABILI DEI CONSILIO 4 ON THE EVILS OF SOCIETY 2. QUOD APOSTOLICI MUNERIS 17 ON SOCIALISM 3. AETERNI PATRIS 29 ON THE RESTORATION OF CHRISTIAN PHILOSOPHY 4. ARCANUM DININAE SAPIENTIAE 54 ON CHRISTIAN MARRIAGE 5. GRANDE MUNUS 81 ON SS. CYRIL AND METHODIUS 6. SANCTA DEI CIVITAS 92 ON MISSION SOCIETIES 7. DIUTURNUM 101 ON THE ORIGIN OF CIVIL POWER 8. LICET MULTA 117 ON CATHOLICS IN BELGIUM 9. ETSI NOS 122 ON CONDITIONS IN ITALY 10. AUSPICATO CONCESSUM 136 ON ST. FRANCIS OF ASSISI 11. CUM MULTA 149 ON CONDITIONS IN SPAIN 12. SUPREMI APOSTOLATUS OFFICIO 159 ON DEVOTION OF THE ROSARY 13. NOBILISSIMA GALLORUM GENS 168 ON THE RELIGIOUS QUESTION IN FRANCE 14. HUMANUM GENUS 179 ON FREEMASONRY 15. SUPERIORE ANNO 205 ON THE RECITATION OF THE ROSARY 16. IMMORTALE DEI 210 ON THE CHRISTIAN CONSTITUTION OF STATES 17. SPECTATA FIDES 239 ON CHRISTIAN EDUCATION 18. QUOD AUCTORITATE 243 PROCLAIMING AN EXTRAORDINARY JUBILEE