In 1974, Ong was selected as one of about a dozen Americans who served as Lincoln Lecturers and went on lecture tours abroad in connection with the 25th anniversary of the Fulbright Act.
In 1977, Cornell University Press published Ong's other big collection Interfaces of the Word: Studies in the Evolution of Consciousness and Culture. In the preface Ong explicitly articulates what he styles his relationist thesis regarding cultural developments being related to transformations of the word (9-10).
In 1978, Ong served as the elected president of the 30,000-member Modern Language Association of America.
In 1979, Ong delivered the Messenger Lectures at CornellUniversity, which were published as Fighting for Life: Contest, Sexuality, and Consciousness (Cornell University Press, 1981).
In 1981, Ong delivered the Alexander Lectures at the University of Toronto, which were published as Hopkins, the Self, and God (University of Toronto Press, 1986).
In 1982, Methuen published in the New Accents series Ong's most widely known book, Orality and Literacy: The Technologizing of the Word (now published by Routledge).