I have recently added a scan of the Emperor Waltz (Kaiserwalzer) by Johann Strauss jr. arranged for mandolin orchestra to my score catalogue at musicaneo. This arrangemet of the famous waltz for mandolin orchestra was made by Ferdinand Kollmaneck.
The waltzes by Johann Strauss have always been very popular and have often been played by mandolin orchestras, especially the most famous waltzes The Blue Danube, Artist’s Life and the Emperor Waltz.
In my playlist I have collected some versions of this waltz, you can find many more versions at youtube.
Playlist Emperor Waltz
By accident I have also found a version played by a mandolin orchestra from Lima. This orchestra plays a shortened version. The complete version by Strauss / Kollmaneck has a playing time of around 10 minutes.
EMPEROR WALTZ (VALS DEL EMPERADOR)
Orquesta de Pulso y Pua Ciudad de Lima, concierto en la Universidad San Ignacio de Loyola, Lima, Peru, mayo 22 de 2007
Sheet music of the Emperor (or Imperial) Waltz for mandolin orchestra is available at musicaneo:
Free sheet music for the Emperor Waltz at IMSLP:
Wikipedia about Johann Strauss: http://de.wikipedia.org/wiki/Johann_Strauss_%28Sohn%29
Wikipedia about the Emperor Waltz: http://de.wikipedia.org/wiki/Kaiser-Walzer