Variations on a Nursery Tune,Op.25 Variations on a nursery song, op.25 Variations on a nrusery song, op.25 Variations on a Nursery Song Op.25 Variations On A Nursery Song Op.25 Variations on a Russian theme, op. 23 Variations On A Nursery Song Variations on a theme by Corelli,op.42 Variations on a theme by paganini, op.35 Variations on a Rococo theme op.33