Talmud for Bava Batra 241:7
אמר רב יהודה אמר שמואל יום שהותרו שבטים לבא זה בזה מאי דרוש (במדבר לו, ו) זה הדבר דבר זה לא יהא נוהג אלא בדור זה
R. Simeon b. Gamaliel said: Israel had no [other] festive days like the fifteenth of Ab and the Day of Atonement on which the daughters of Jerusalem went out in white garments, borrowed [for the occasion], so as not to shame those who possessed none [of their own]. One well understands why the Day of Atonement [should be such a festive occasion for it is] a day of pardon and forgiveness,<span class="x" onmousemove="('comment',' Cf. Lev. XVI, 29ff. ');"><sup>17</sup></span> [and it is also] a day on which the second Tabies<span class="x" onmousemove="('comment',' Cf. Deut. X, 1ff. [According to a tradition preserved in the Seder 'Olam 6, Moses spent three periods of forty days and forty nights on the mount, beginning with the seventh Sivan, and ending on the tenth of Tishri when he came down on earth with the second Tables.] ');"><sup>18</sup></span>
Jerusalem Talmud Taanit
In the explanations, the terms “included” and “excluded” have to be switched. The text follows the usual pattern, that if possibilities A and B are raised, B is explained before A. Since the number 12 of tribe cannot be changed, either Joseph is counted as one tribe and Benjamin is included (35:11), or Ephraim and Manasse are counted as full tribes, there seems to be no place for Benjamin. This logic is not followed by the Babli., and Benjamin was not yet born. 402Thr. rabba, Introduction (33). Rebbi Abun said, digging stopped on it, as Rebbi Levi said, on every eve of the Ninth of Av, Moses had a declaration published in all the encampment and said, go out for digging, go out for digging. They went out, dug graves for themselves, and slept. In the morning they were getting up and found themselves missing 15’000 and detail403If always the same number died on the Ninth of Av and nobody during the year, the number would be 600’000:38 = 15’789.47.. In the last year they did that, got up, and found themselves whole. They said, maybe we erred in the computation. The same on the Tenth, the Eleventh, the Twelfth, the Thirteenth, and the Fifteenth. Since the moon was full they said, it seems that The Holy One, praise to Him, vacated this hard judgment against us. They got up and made a holiday.