Convention between the Government of Ceylon and the Government of Japan for the avoidance of double taxation and the prevention of fiscal evasion with respect to taxes on income : signed at Colombo on 12.12.1967 ; the Inland Revenue Act, No 4 of 1968

Geschäfts- und Investitionstätigkeit deutscher Unternehmen in Ceylon : Besteuerung nach dem deutsch-ceylonesischen Doppelbesteuerungsabkommen

Debatin, Helmut, (1964)

Das deutsch-ceylonesische Doppelbesteuerungsabkommen

Sass, Gert, (1964)

Convention between the United Kingdom of Great Britain and Northern Ireland and Japan for the avoidance of double taxation and the prevention of fiscal evasion with respect to taxes on income (with exchange of notes) Tokyo, 10 February 1969

(1969)