- Official Gazette. "Colony of Singapore Government Gazette" (No. 1, 1 Jan 1947 - No. ?, ? ? 1959) || "State of Singapore Government Gazette" (No. ?, ? ? 1959 - No. ?, 5 Aug 1965) || "Singapore Government Gazette" (No. ?, 11 Aug 1965 - No. ?, 22 Dec 1965) || "Republic of Singapore Government Gazette" (from No. 1, 23 Dec 1965)
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