• Ceylon Government Gazette, part - III, No. 7151, Thursday, December 23, 1920 

  Government of Ceylon (Ceylon Government Printer, 1920-12-23)
• Ceylon Government Gazette, part - III, No. 7149, Friday, December 17, 1920 

  Government of Ceylon (Ceylon Government Printer, 1920-12-17)
• Ceylon Government Gazette, part - III, No. 7147, Friday, December 10, 1920 

  Government of Ceylon (Ceylon Government Printer, 1920-12-10)
• Ceylon Government Gazette, part - III, No. 7146, Friday, December 03, 1920 

  Government of Ceylon (Ceylon Government Printer, 1920-12-03)
• Ceylon Government Gazette, part - III, No. 7145, Friday, November 26, 1920 

  Government of Ceylon (Ceylon Government Printer, 1920-11-26)

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