(53) باب مَا جَاءَ فِي خُرُوجِ النِّسَاءِ إِلَى الْمَسْجِدِ
Ibn 'Umar reported the Messenger of Allah (May peace be upon him) as saying; Do not prevent the female servant your women from visiting the mosques of Allah.
Reference: Sunan Abi Dawud 566
In-book reference: Book 2, Hadith 176
English translation: Book 2, Hadith 566