" (2004)*"Global Environmental Issues: Responses from Japan" (2004)*"American Colonialism in the Philippines: Different but still Colonialism" (2005)*"Boundary, Fluidity and Ideology: A Comparison of Japan's pre-World War II and Present Regionalisms" (2012);Translations*"Pagmumunimuni tungkol sa pangkinatawang pamahalaan ni J.S.
" (2004)* "Global Environmental Issues: Responses from Japan" (2004)* "American Colonialism in the Philippines: Different but still Colonialism" (2005)* "Japan's Triple Disaster and East Asia: Reaffirmation of Human and Historical Ties" (2011)* "Boundary, Fluidity and Ideology: A Comparison of Japan's pre-World War II and Present Regionalisms" (2012)* "Pagmumunimuni tungkol sa pangkinatawang pamahalaan ni J.S.