The Mass, by Father Peter Christopher Yorke

• Lesson 1 - Religion
• Lesson 2 - Prayer
• Lesson 3 - Sacrifice
• Lesson 4 - Public Worship
• Lesson 5 - Liturgies
• Lesson 6 - Development of Liturgies
• Lesson 7 - The Liturgical Language
• Lesson 8 - Latin in the Mass
• Lesson 9 - The Mass
• Lesson 10 - The Mass as a Sacrifice
• Lesson 11 - The Lord's House
• Lesson 12 - The House of Prayer
• Lesson 13 - Plan of the Church
• Lesson 14 - Furniture of the Sanctuary
• Lesson 15 - Furniture of the Altar
• Lesson 16 - The Priesthood
• Lesson 17 - The Church Year
• Lesson 18 - Official Uniforms
• Lesson 19 - Mass Vestments
• Lesson 20 - Special Ornaments
• Lesson 21 - The Sacred Vessels
• Lesson 22 - The Order of the Mass
• Lesson 23 - The Last Supper
• Lesson 24 - The Synagogue Service
• Lesson 25 - The Sacrifice
• Lesson 26 - The Mass in the Persecutions
• Lesson 27 - The Freedom of the Church
• Lesson 28 - Mass in the Fourth Century
• Lesson 29 - The Gregorian Mass
• Lesson 30 - The Mass Today - General Principles
• Lesson 31 - The Mass Today - Introduction
• Lesson 32 - The Mass Today - Instruction
• Lesson 33 - The Mass Today - Offertory and Preface
• Lesson 34 - The Mass Today - The Canon and Communion
• Lesson 35 - Ceremonies in General
• Lesson 36 - The Meaning of the Mass
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• download epub version
• The text and some of the images of in this file group were taken from the printed book The Mass, by Father Peter Christopher Yorke, S.T.D.
• It has the Imprimatur of Archbishop Edward Joseph Hanna, Archdiocese of San Francisco, California, 21 June 1921
• The cover image is was photographed in a sacristy and shows a monstrance and Mass paraphernalia including chalices, cruets, liturgical cloths and wine. It was taken in Austria in 2008 by Jorge Royan, and swiped from Wikimedia Commons.