Variations on a Polish Theme,Op.10 Variations on a Rococo theme op.33 Variations on a Rococo theme,Op.33 Variations on a rococo theme, op. 33 Variations on a Rococo Theme, op.33 Variations on a rococo theme op. 33 Variations on a Rococo Theme,Op.33 Variations on a Rococo Theme op.96 Variations on a Russian theme, op. 23 Variations on an Original Theme,Op.15