Reference for Chullin 261:32

כולן אין בהם טובת הנאה לבעלים ואפילו עני שבישראל מוציאין מידו

- Rab was in doubt whether they are included within the term 'the people' or not.<span class="x" onmousemove="('comment',' And therefore no priest could claim the dues from Levites without bringing evidence to prove they latter are subject to this law.');"><sup>25</sup></span>