| Royal Commission of Enquiry on the collapse of the four-storey building on Lot no. 503 Jalan Raja Laut, Kuala Lumpur on 19th October, 1968 | Pelbagai | Tiada | 1971 | |
| Report of the royal commission of enquiry to investigate into the cause of the collapse of a four-storey building on lot no.503 | | Tiada | 1971 | |