found: Levi, A. Guide to French literature : beginnings to 1789, 1994:p. 610 (hdg.: Pléiade, La; list of 7 French poets active mostly in the third quarter of the 16th cent., drawn up by Ronsard)
found: New Oxford companion to lit. in French, 1995:p. 627 (hdg.: Pléiade, La; constellation of 7 poets active from 1549 to 1589, under leadership of Ronsard)
found: Britannica online, Nov. 30, 2017(La Pléiade, group of seven French writers of the 16th century, led by Pierre de Ronsard, whose aim was to elevate the French language to the level of the classical tongues as a medium for literary expression; The writers of La Pléiade are considered the first representatives of French Renaissance poetry, one reason being that they revived the alexandrine verse form (composed of 12-syllable lines, rhyming in alternate masculine and feminine couplets), the dominant poetic form of the French Renaissance)
found: Wikipedia, Nov. 30, 2017(La Pléiade is the name given to a group of 16th-century French Renaissance poets whose principal members were Pierre de Ronsard, Joachim du Bellay and Jean-Antoine de Baïf)