 In addition, he authored "Understanding the Peoples of Southern Asia" (University of Illinois Press, 1967); "History and Culture of Southern Asia (University of Illinois Press, 1968); and Research Needs Relating to Southeast Asia" (Southeast Asia Development Advisory Group, 1969), and bibliographical publications.After his retirement, he served for one year as a consultant to the library of the Australian National University in Canberra.He also served as a subeditor for Southern Asia for the "American Historical Review"; he sat on the advisory board of contributing consultants to the "International Library Review" (London); and was a member of the international editorial advisory board of "Southeast Asia; an International Quarterly".