The second phase of the discussion of his writings and contributions to the study of international politics and international law was between 1980 and the one hundred year commemoration of his birth that took place in 2004.
Masa kedua (pembahasan tulisan dan kontribusinya terhadap studi politik dan hukum internasional) terjadi antara tahun 1980 dan peringatan satu abad kelahirannya pada 2004.