This lovely movement from Camille Saint-Saens' suite The Carnival of the Animals is published here with a Viola part and the usual Cello part. It comes as part of the highly respected Edition Peters catalogue.

Saint-Saens, Concerto No 1 in A minor for cello Opus 33 (IMC edition)

Saint Saens, The Swan For Viola and Piano (Carl Fischer) with the Soft cover

 First published by Durand in 1875 this piece remains a popular choice amongst cellists.

Saint-Saens Allegro Appassionato Op.43 Cello/Piano (Henle)

Saint-Saëns, Premier Concerto No 1 in A minor for Cello Opus 33 for Cello Solo and Piano Reduction (Durand)

Saint-Saëns The Swan (EMB)