Reference for Niddah 33:33

מקיז דם ומשמש מטתו הויין לו בנים ויתקין

did three things, and on account of these they were honourably mentioned: They performed their marital duties in the day-time, they examined their beds with cotton,<span class="x" onmousemove="('comment',' Or 'clean and soft wool', on which the smallest particle of blood could be detected. Lit., 'wool of Parhaba' (Probably a geographical name), v. Jast. ');">²⁷</span>

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow