v. 1. The environment / volume editor, Dato' Dr. Sham Sani -- v. 2. Plants / volume editor, E. Soepadmo -- v. 3. Animals / volume editor, Yong Hoi Sen -- v. 4. Early history / volume editors, Dato' Nik Hassan Shuhaimi, Nik Abdul Rahman -- v. 5. Architecture / volume editor, Chen Voon Fee -- v. 6. The seas / volume editors, Ong Jin Eong and Gong Wooi Khoon -- v. 7. Early modern history, 1800-1940 / volume editor, Cheah Boon Kheng -- v. 8. Performing arts / volume editor, Ghulam-Sarwar Yousof -- v. 9. Languages and literature / volume editor, Asmah Haji Omar -- v. 10. Religions and beliefs / volume editors, M. Kamal Hassan, Ghazali bin Basri --v.11. Government and politics (1940-2006) / volume editors, Prof. Dato' Dr. Zakaria Haji Ahmad