Zimmels, H. J..
Ashkenazim and Sephardim: their relations, differences, and problems as reflected in the rabbinical responsa /
by H.J. Zimmels ; with a foreword by Israel Brodie 
. - London : Marla publications,  1976 
. - xiv, 347 p.  tab.  23 cm. 
 - (Jews' College publications : new series  ; 2 )
<br/>К.: Бібліогр. в підрядк. прим., Index