Friedberg, B., & Friedberg, B. (o. J.). Bēt ’eqed sefārîm : Leqsîqôn bivlîôgrāfî = Bet eked sepharim, bibliographical lexicon of the whole Hebrew and Jewish-German literature, incl. of the Arab, Greek, French-Provencal, Italian, Latin, Persian, Samaritan, in the years 1474 - 1950 with Hebrew letters [Book]. Bar Juda.

Friedberg, Bernhard, und Baruch Friedberg. o. J. Bēt ’eqed sefārîm : Leqsîqôn bivlîôgrāfî = Bet eked sepharim, bibliographical lexicon of the whole Hebrew and Jewish-German literature, incl. of the Arab, Greek, French-Provencal, Italian, Latin, Persian, Samaritan, in the years 1474 - 1950 with Hebrew letters. Book. Tel-Aviv: Bar Juda.

Friedberg B, Friedberg B Bēt ’eqed sefārîm : Leqsîqôn bivlîôgrāfî = Bet eked sepharim, bibliographical lexicon of the whole Hebrew and Jewish-German literature, incl. of the Arab, Greek, French-Provencal, Italian, Latin, Persian, Samaritan, in the years 1474 - 1950 with Hebrew letters. Bar Juda, Tel-Aviv

1.Friedberg, B., Friedberg, B.: Bēt ’eqed sefārîm : Leqsîqôn bivlîôgrāfî = Bet eked sepharim, bibliographical lexicon of the whole Hebrew and Jewish-German literature, incl. of the Arab, Greek, French-Provencal, Italian, Latin, Persian, Samaritan, in the years 1474 - 1950 with Hebrew letters. Bar Juda, Tel-Aviv.

Friedberg, Bernhard ; Friedberg, Baruch ; ; ; : Bēt ’eqed sefārîm : Leqsîqôn bivlîôgrāfî = Bet eked sepharim, bibliographical lexicon of the whole Hebrew and Jewish-German literature, incl. of the Arab, Greek, French-Provencal, Italian, Latin, Persian, Samaritan, in the years 1474 - 1950 with Hebrew letters. book. Tel-Aviv : Bar Juda