found: Work cat.: 99230132: Dallari, P.P. Rondelli: canti poetici di origine medioevale, 1996:p. 9ff (from the North of France; consists of three stanzas with a total of thirteen lines)
found: Yelland, H.L. Handbook of lit. terms, 1980:p. 178 (Rondel: Originally two stanzas of four and five lines, but later changed to three stanzas making thirteen or fourteen lines in all. The first two lines recur after the sixth line. This form was popular as early as the fourteenth century, but later gave way to the rondeau.)
found: Williams, M. Patterns of poetry, 1986:p. 79 (Rondel. French in origin. A thirteen-line poem in three stanzas of four, four, and five lines. Traditionally syllabic in English, as in the French ... Line 1 is repeated as lines 7 and 13, line 2 is repeated as line 8)