Richard L. Crocker

• A history of musical style
• Gradual Psalms
• The early medieval sequence
• The Early Middle Ages to 1300
• An Introduction to Gregorian Chant
• Listening to music
• Studies in medieval music theory and the early sequence
• The early middle ages to 1300
• Dream Mother Yourself
• From Polio to Philanthropy
• Gradual Psalms (Lanier Guide) (Lanier Guide)
• Gradual psalms, alleluia verses and tracts