Reference for Bava Batra 240:6

ומה כאן ראשי המטות אף להלן ראשי המטות למאי הלכתא אמר רב ששת לומר שיש שאלה בהקדש

[it was spoken to] Aaron and his sons and all Israel; and just as here<span class="x" onmousemove="('comment',' In connection with the laws relating to vows. ');">²⁰</span> [it was spoken to] the heads of the tribes.<span class="x" onmousemove="('comment',' As stated in Num. XXX, 2. ');">²¹</span> so there<span class="x" onmousemove="('comment',' V. p. 494, n. 20. ');">²²</span> [it was spoken to] the heads of the tribes.

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