LEGENDRE, ADRIEN-MARIE. Traité des Fonctions Elliptiques et des Intégrales Euleriennes. 3 folding engraved plates in Volume 1; portrait of Leonhard Euler in Volume 2. xii, 587, [3]; [8], 596; vii, [1], 167, [1] pages. 3 volumes in 2. 4to, 259x195 mm, contemporary calf gilt with morocco lettering pieces and prize stamp of the Académie de Paris on covers, Volume 2/3 rebacked retaining original backstrip; scattered light foxing, dampstain in lower margin of portrait, offsetting onto facing page. Paris: Huzard-Courcier, 1825-26-28