[Dr Koh Kim Yam] Amended Assessment: Year of Assessment 1960 ending 31st December 1960

[Dr Koh Kim Yam] Return of Income from Employment for the Year ending 31st December 1964

[Dr Koh Kim Yam] Year of Assessment 1948 ending 31st December 1948

[Dr Koh Kim Yam] Year of Assessment 1960 ending 31st December 1960

[Dr Koh Kim Yam] Year of Assessment 1965 ending 31st December 1965

[Dr Koh Kim Yam] Year of Assessment 1965 ending 31st December 1965

Cancelled cheque from The Chartered Bank for $100.00 payable to Poon Chin Seng (Pte.) Ltd. from Koh Kim Yan

Cancelled cheque from The Chartered Bank for $11.00 payable to Heath Sangeneldt (Pte.) Ltd. from Koh Kim Yan

Card from Central Provident Fund Board to Koh Kim Yam informing him that his registgration as an employer was acknowledged

Dr Koh Kim Yam: Year of Assessment 1952 ending 31st December, 1952