Thöne & Fiala was a minor aircraft manufacturer based in Vienna. They produced fifteen unusable Knoller B.I aircraft and contributed thirty-four Aviatik D.Is in two series.
- Peter M. Grosz, George Haddow, and Peter Schiemer. Austro-Hungarian Army Aircraft of World War One. Flying Machines Press, 1993. ISBN 0-9637110-0-8.