Reference for Gittin 144:1

אי א"ר יוסי בעל פה אי לא אמר

whether R. Jose meant his ruling to apply to a verbal declaration<span class="x" onmousemove="('comment',' I.e., where the words 'THIS IS YOUR GET IF I DIE' if used at all were not inserted in the document, but spoken by word of mouth. ');">¹</span>

Jastrow