• Ceylon Government Gazette, Part - VI, No. 11,573, Friday, October 31, 1958 

  Government of Ceylon (Ceylon Government Printer, 1958-10-31)
• Ceylon Government Gazette, Part - VI, No. 11,523, Friday, September 12, 1958 

  Government of Ceylon (Ceylon Government Printer, 1958-09-12)
• Ceylon Government Gazette, Part - VI, No. 11,523, Friday, September 12, 1958 

  Government of Ceylon (Ceylon Government Printer, 1958-09-12)
• Ceylon Government Gazette, Part - VI, No. 11,479, Friday, August 22, 1958 

  Government of Ceylon (Ceylon Government Printer, 1958-08-22)
• Ceylon Government Gazette, Part - VI, No. 11,473, Friday, August 15, 1958 

  Government of Ceylon (Ceylon Government Printer, 1958-08-15)

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