Rashi on 37 (25) cites the Medrash about what the camels were carrying: and their camels were carrying, etc.: Why did Scripture publicize their burden? To let you know the reward of the ...
Rashi (Bereshis 37:2 sv את דבתם רעה) says: כל רעה שהיה רואה באחיו בני לאה היה מגיד לאביו - Any evil he saw in his brothers, the sons of Leah, he would tell his father However it would seem that ...
Bereishis 37:12: וַיֵּלְכוּ אֶחָיו לִרְעוֹת אֶת צֹאן אֲבִיהֶם בִּשְׁכֶם. Rashi there says (as I understand it) that we cut out the word es (אֶת) because they only went to to feed their own ...