PREFACE

Mr. A. G. LITTLE Andrew George Little was a leading historian of the Franciscan Order, the religious group to which Roger Bacon belonged. is responsible for the text and textual notes and for Part I of the Introduction. Mr. E. Withington Edward Theodore Withington was a scholar who specialized in the history of medicine. is responsible for Part II of the Introduction, the notes to the medical treatises, and for the glossary of drugs. The editors desire to thank Mr. Robert Steele Robert Steele was an influential scholar who spent much of his career editing and publishing the works of Roger Bacon. for frequent assistance and advice, and the readers In the printing trade, 'readers' are professional proofreaders who check the text for errors. of the Clarendon Press for their skill and care in straightening out a very complicated copy. The term 'copy' refers to the manuscript or draft provided to the printer for typesetting.