found: Françaix, J. Quatuor à cordes [SR] p1985:label (Quatuor Loewenguth) container (Quatuor Lœwenguth; Alfred Lœwenguth, Jacques Gotkovsky, violins; Roger Roche, viola; Roger Lœwenguth, violoncello)
found: Debussy, C. String quartet in G minor [SR] 1962:labels (Loewenguth Quartet)
found: Altmann, W. Kurzgefasstes Tonkünstler-Lexikon, 15. Aufl.:2. T. (Loewenguth-Quartett; founded 1929 by Alfred Loewenguth)
found: Library of Congress Music Division concert, 1948-11-12 [SR] 1948:program notes (Loewenguth Quartet; Alfred Loewenguth, Jacques Murgier, violins; Roger Roche, viola; Pierre Basseux, violoncello)
found: Library of Congress Music Division concert, 1955-11-25 [SR] 1955:program notes (Loewenguth String Quartet; Alfred Loewenguth, Maurice Fueri, violins; Roger Roche, viola; Pierre Basseux, violoncello)
