1949, in the spring
Trip to England at the invitation of the British Council; encounter with T.S. Eliot, Pieper’s publisher in England
1962, September – December
Lecturing tour through India and Ceylon (today: Sri Lanka) in order to study the Indian culture of the feast. Pieper was supported by the DFG and the German Department for Foreign Affairs
1963, September – November
Lecturing tour to Hong Kong, South Korea, Japan, Taiwan, Phillipines, Vietnam and Thailand at the invitation of East Asian universities