William Robertson Smith,
1911 Encyclopædia Britannica, Volume 18…
(1911)
“ The houses are good stone buildings similar in style to those of Mecca; the streets are narrow but clean, and in part paved. [5] There is a copious supply of water conducted from a tepid source (ez-Zarkā) at the village of Kuba, 2 m. south, and distributed in underground cisterns in each quarter. [6] The glory of Medina, and the only important building, is the mosque of the Prophet, in the eastern part of the city, a spacious enclosed court between 400 and 500 ft. ”
