1. ‘Accompaniment to Report by Mr. H. Armstrong on the Preliminary Survey of the Route for a Telegraph Line from Quetta to the Persian Frontier.’ Date: 1899/1899 Language: English Geographic region: Koh-i-Malik SeahLadisQuetta
2. Blueprint map of the intersection of boundary lines at Koh-I-Malik Seah Date: 1892/1902 Language: English Geographic region: Koh-i-Malik Seah