Heinz Mosche Graupe: Die Statuten der drei Gemeinden Altona, Hamburg und Wandsbek: Quellen zur jüdischen Gemeindeorganisation im 17. und 18. Jahrhundert. H. Christian, Hamburg 1973, OCLC1191810, S. 211. (hebräisch תקנות ג׳ קהילות אלטונה־המבורג־ונזיבק (אה״ו): מקורות לארגון הקהילות במאה ה־17 וה־18)
Samson Raphael Hirsch: Sidur tefilot Yisrael, Israels Gebete, (סדור תפלות ישראל). I. Kauffmann, Frankfurt a. M. 1921, OCLC18389019, S. 45–47.
J. Simcha Cohen: How does Jewish law work? : A rabbi analyzes 95 contemporary halachic questions. Jason Aronson, Northvale, N.J. 1993, OCLC28067038, S. 161 f.
Yiśakhar D. S. Rubin, Gershon Robinson Rubin: Talelei oros [ספר טללי אורות]. Feldheim, Jerusalem 2003, OCLC53173083, S. 458.
Hayim Halevy Donin: To pray as a Jew. A guide to the prayer book and the synagogue service. Basic Books, New York 1980, OCLC6278819, S. 171.
Mark L. Kligman: Maqām and liturgy: ritual, music, and aesthetics of Syrian Jews in Brooklyn. Wayne State University Press, Detroit 2009, OCLC227572515, S. 90.
Cyrus Adler: The Jewish quarterly review. Band 11, Dropsie College for Hebrew and Cognate Learning, Philadelphia 1910, OCLC1754280, S. 260.
Raw B. Posen: Die Schabbos-Vorschriften. Hilchos Schabbos. Morascha, Basel 2005, OCLC694996857, S. 44 (auch einsehbar bei Google Books).
Abraham Zebi Idelsohn: Jewish liturgy and its development. Schocken, New York 1932, OCLC174509, S. 80, S. 81.
Ronald H. Isaacs: Every person's guide to Jewish prayer. Jason Aronson, Northvale 1997, OCLC35521633, S. 113.