found: Kullman, C. Charles Kullman [SR] p2006:insert (Ludwig Rüth, conductor)
found: Die Dreigroschenband bittet zum Tanz, p1999:label (Lewis Ruth; Ludwig Rüth) container (b. 1889, d. 1941)
found: Ich hab' das Fräulein Helen baden seh'n, between 1991 and 2000?:insert (Tanzorchester Ludwig Rüth)
found: German Wikipedia, Oct. 25, 2013(Lewis Ruth; real name Ludwig Rüth; b. Jan. 30, 1889, Landau in der Pfalz, Germany, d. Apr. 2, 1941, Durban, South Africa, or possibly July 1947 in Windhoek, Namibia; German musician and dance orchestra leader) - http://de.wikipedia.org/wiki/Lewis_Ruth
found: Unser Rhythmus ist der Swing, 2007:container (Orchester Ludwig Rüth)