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'The author ... is unknown, but it was probably written between 1260 ... and 1288' - Introduction. - '[This translation is based on the Codex Rossianus in "Analecta" O.P.XV (1922), p.93ff. ed. Innocenzio Tauri sano, O.P - Bibliographical note.
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The nine ways of prayer of Saint Dominic. ISBN 0950479721. Published by Dominican Publications in 1978. Publication and catalogue information, links to buy online and reader comments.