found: His Enchiridion ... 1520.
found: His Enchiridion vtriusque musicae practicae, 1551:t.p. (Georgio Rhauo; Georgij Rhau)
found: Artopoeus, Petrus. Discretio locorum legis et Evangelii in literis sacris, 1534:colophon (Vitebergae per Georgium Rau)
found: Benzing, Josef, Die Buchdrucker des 16. und 17. Jahrhunders im deutschen Sprachbereich:p. 500 (Georg Rhau; born Eisfeld an der Werra, 1488; died 1548; active as a printer in Wittenberg, 1525-1548)
found: Grove Music Online, WWW site, February 02, 2021Rhaw, Georg (German publisher. Working in Wittenberg, removed from the main centres of music publication, he became one of the most important music publishers, particularly for the Reformation church.)
found: Eyn Predigt vnd Warnung sich zu hüten für falschen Propheten, 1525:colophon (Wittemberg : Durch Jorg Rhaw) (DLC copy not examined)