A.Z. Idelsohn: ‘The Mogen Ovos Mode: a Study in Folklore’, Hebrew Union College Annual, xiv (1939), 559–74
B.J. Cohon: ‘The Structure of the Synagogue Prayer-Chant’, JAMS, iii (1950), 17–31
E. Gerson-Kiwi: ‘Justus ut palma: Stufen hebräischer Psalmodien in mündlicher Überlieferung’, Bruno Stäblein Festschrift, ed. M. Ruhnke (Kassel, 1967), 64–73
H. Avenary: ‘The Cantorial Fantasia of the Eighteenth and Nineteenth Centuries’,Yuval, no.1 (1968), 65–85
H. Avenary: ‘The Concept of Mode in European Synagogue Chant’, Yuval, no.2 (1971), 11–21
H. Avenary: ‘Shtayger’, Encyclopaedia judaica, ed. C. Roth (Jerusalem, 1971–2/R, 2/1982)