Look here for scores http://www.bellamusica.ca/Bellamusica/scores.htmlLook here for scores The reason there
There aren't any is thatmany scores because Johann Strauss, Jr. had a brother who burned a huge amount of the family's music. The orchestra parts were out of the home at the time but not the scores. Conductors
Conductors will perform the music using a "piano reduction". less than ideal... I have reconstituted and edited many of the scores and are available at the above website for order, but workable.