• The Gazette of the Republic of Sri Lanka (Ceylon), Part - I : Section - I, General, No. 92, Friday December 28, 1973 

  Government of Ceylon (Ceylon Government Printer, 1973-12-28)
• The Gazette of the Republic of Sri Lanka (Ceylon), Part - I : Section - I, General, No. 90, Friday December 14, 1973 

  Government of Ceylon (Ceylon Government Printer, 1973-12-14)
• The Gazette of the Republic of Sri Lanka (Ceylon), Part - I : Section - I, General, No. 89, Friday December 07, 1973 

  Government of Ceylon (Ceylon Government Printer, 1973-12-07)
• The Gazette of the Republic of Sri Lanka (Ceylon), Part - I : Section I, General, No. 83/9, Thursday November 01, 1973 

  Government of Ceylon (Ceylon Government Printer, 1973-11-01)
• The Gazette of the Republic of Sri Lanka (Ceylon), Part - I : Section - I, General, No. 86, Friday November 16, 1973 

  Government of Ceylon (Ceylon Government Printer, 1973-11-16)

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