Reference for Bava Batra 108:4

אמר ליה דורא דרעותא קאמרת התם באגי מטמרי הוו דאינהו גופייהו לא הוו יהבי טסקא למלכא ומלכא אמר מאן דיהיב טסקא ליכול ארעא

and the king has ordained that land is not to be acquired save by means of a deed? R. Joseph replied: I know nothing of that.<span class="x" onmousemove="('comment',' As much as to say that he did not believe the king had ordained this. ');">⁷</span> [I only know that] a case arose in Dura di-ra'awatha<span class="x" onmousemove="('comment',' The name of a village. According to others, 'a village of shepherds'. [Obermeyer, op. cit., p. 142, identifies it with Dur on the Tigris, north of Bagdad.] ');">⁸</span>

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