Simon Géza Gábor: The Chronological Ragtime Discography of the Austro-Hungarian Monarchy. Ragtime and ragtime-like recordings in the Austrio-Hungarian Monarchy and in the Succession Staates of the Monarchy, including all recordings of the official import & all editions under licence from the original recordings (Budapest, 1992)
Simon Géza Gábor: The Chronological Ragtime Discography of the Austro-Hungarian Monarchy. Ragtime and ragtime-like recordings in the Austrio-Hungarian Monarchy and in the Succession Staates of the Monarchy, including all recordings of the official import & all editions under licence from the original recordings (Budapest, 1992)
