During the third meeting of the Commission called for by the chairmen, Rajah B. Manikam and Hospet Sumitra that was convened by the Secretary Joshua Russell Chandran on 8 and 9 January 1963[10] at the United Theological College, Bangalore, Peery presented a comparative analysis of the constitutions of the Lutheran and the Church of South India Societies.
After the conclusion of the third Inter-Church Commission, Peery was made Convenor[10] of a Committee to come up with two drafts relating to the importance of episcopy, one on episcopal basis and the other partly-episcopal and partly non-episcopal.
In 1985, Peery along with his other colleagues, Joshua Russell Chandran, J. G. F. Collison, R. Richer and Christopher Doraisingh presented a paper entitled The Concept of Baptism in the Judeo-Christian Tradition.
Peery was a member of Council of India Mission[21] of the United Lutheran Church in America and held the position as office bearer as vice-president from 1953 to 1955[21] and as president from 1959 to 1963,[21] 1966–1969,[21] and from 1973 to 1975.
[21] In 1966,[22] the Lenoir–Rhyne University, Hickory, North Carolina conferred an honorary doctorate degree on Peery along with William Richard Fritz, Lestor C. Gifford, Franklin Clark Fry and Lewis Arthur Larson.