Did you mean: Ludwig van Beethoven Rondo, Op. 51
Ludwig van Beethoven wrote two rondos for solo piano in 1797:
Rondo in C major, Op. 51, No. 1
Rondo in G major, Op. 51, No. 2
The second rondo bears a dedication to Countess Henriette von Lichnowsky in later editions. Artaria originally published... Wikipedia