(print) xiv, 115 p. : ill. ; 22 cm

INTRODUCTION : Dante, the "Vie de Saint Alexis," and the Oxford "Roland" xi -- CHAPTER 1 : The Meaning of Numbers in the Middle Ages 3 -- ELEMENTARY NUMERICAL ASSOCIATIONS. ASTRONOMICAL ASSOCIATIONS. PYTHAGOREAN NUMBERS. TRANSMISSION TO THE MIDDLE AGES. -- CHAPTER 2 : The Numerical Structures in the Oxford "Roland" 23 -- THE UNITY OF THE OXFORD "ROLAND." THE 6 6 PATTERN : ARITHMETIC STRUCTURE. A SYMBOLIC INTERPRETATION OF THE 66 PATTERN. THE 91 PATTERN : ARITHMETIC STRUCTURE. A SYMBOLIC INTERPRETATION OF THE 91 PATTERN. -- CHAPTER 3 : The Creation of the Numerical Patterns 59 -- THE PROBLEM OF OLIVIER. FRANCE AT THE END OF THE CAROLINGIAN DYNASTY. CHARLEMAGNE AND THE TWELVE PEERS. -- CHAPTER 4 : The Inventors at Work 79 -- THE RONCEVAUX AND THE BALIGANT MATERIAL. THE ORIGINAL 66 PATTERN. THE 91 PATTERN. THE GENIUS OF DIGBY-23. -- EPILOGUE : The Provenience of the Oxford "Roland" 99 -- Appendix 103 -- Bibliography 107 -- Index 109