f.103. Letter in Malay from Orang Kaya Seri Bijawangsa and Orang Kaya Maharaja Lela Muda and Jaya Pahlawan and Setia Raja of Siak to Ibrahim, 14 Zulkaidah 1225 (11 December 1810). Heading: Qawluh al-haqq. English paper, ‘Curteis & Son 1804’; 29.3 x 22.6 cm. Translated in Ahmat (1971, Appendix:1).