||Santiago de Compostela, 1936. Additional publ. details from Snow 2007: Bol. de la Univ. de Santiago de Copostela 8, no. 27 (enero-marzo 1936): 3-214; publ. with the same title (Santiago de Compostela: Univ., 1936). 219 pp. + 8 plates. Rpt. as Tiempo y gozo eterno ... (Extramuros 4, Vigo: Ed. Xerais, 1982). 244 pp. + 8 plates.
||Notes from Snow 1977, no. 164 (revised 2007): "This is the author's doctoral diss. Part I discusses visions and voyages, miraculous sleeper and survivor legends as a preface to an understanding of the thematic inheritance of cantiga 103. Part II deals with transmission of the legends, their geographical spread, and their appeal in Cistercian circles. Alfonso's was the first version to incorporate the tale of the monk enraptured by birdsong for 200 years into the Marian framework (pp. 90-6). Part III takes up themes: time (both real and imagined); the power of music; the symbolic use of bird and forest, and so on. The notes and indices are fine and the depth of the study is exemplary. Few such studies on a single cantiga exist, especially in this comparative way. Copies are few, and it was reprinted in 1982."