Juvenile literature Biography 8 Friends and associates 3 Mathematicians 3 Muslim martyrs 3 Scholars, Muslim 3 Muhammad, Prophet, d. 632 2 Agriculturist 1 Al-Kashi 1 Al-Khalil ibn Ahmad al-Farahidi 1 Al-Wazzan 1 Ar-Razi 1 Arabic language 1 At-Tusi 1 Civilization 1 Ibn Hamzah 1 Ibunu'l-'Awwam 1 Juvenile 1 Knowledge, theory of Islam 1 Logarithms 1 Medicine, Arab 1 Medieval 1 Philosophy, Arab 1 Philosophy, Medieval 1 Seven Wonders of the World 1 Trigonometry 1 Ulama 1 Versification 1 biography 1