Group of three (3) pochoir lithographs depicting ballet dancers, all studies by Edgar Degas (French, 1834-1917). Likely from Henri Riviere's portfolio "Les Dessins de Degas Reproduits en Fac-simile". One depicts a ballerina adjusting her tights, another depicts studies of a group of four dancers, and one depicts rear view of a dancer with clasped hands. All signed in the plate and with blind stamp to lower corner, attributed to Henri Riviere. Study of four dancers titled. All housed in painted wood frames with cream silk mattes. Ranging in size from: Sight: 11 5/8 H x 7 1/2" W, Framed: 21 1/2" H x 17 1/2" W to Sight: 15 7/8" H x 10 1/4" W, Framed: 26 1/2" H x 19 1/2" W. Note: The portfolio was published by Demotte in a limited edition of 250 copies, consisting of two series of 50 facsimiles each, dated 1922 and 1923. Limited to an edition of 250 or 305 dependant on the series. Condition: All prints with toning. Print of ballerina adjusting tights has been examined out of the frame and is hinged mounted, some discoloration noted to lower right corner. Remaining two prints presumed to be hinged mounted. All frames with light scattered wear to paint.