1. The Royal Observatory Greenwich

AKM/K/22310

2. The observatory in Islam and its place in the general history of the observatory

3. Rapport preliminaire sur les fouilles de l' observatoire de marâqe

AKM/K/23373

4. Les Origines et les J’ebuts de L’observatoire de Paris

AKM/K/23952

5. The importance of the Turkich – Islamic world in the history of observatory

AKM/K/21038