Sahih Bukhari
Sahih Bukhari Volume 001, Book 008, Hadith Number 439.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 08. Prayers (Salat)
Narated By Sahl : Allah's Apostle sent someone to a woman telling her to "Order her slave, carpenter, to prepare a wooden pulpit for him to sit on."