Fr. Ong was prolific as a writer, lecturer, and member of the academic community. For a complete bibliography of his work, see Dr. Thomas Walsh's Digital Bibliography (pdf here). Dr. Walsh's 2006 Bibliography of Walter J. Ong, S.J., consists of 457 original publications of books, book chapters, articles, reviews, translations by Ong, poems, and limited-distribution items. With the additions of reprints, revisions, translations of Ong's works by others, and other items, the bibliography contains 909 entries. Prepared for the Walter J. Ong, S.J., Center for Language, Media, and Culture, the biography is the most complete and accurate register of Fr. Ong's published works through 2006.
The Walter J. Ong, S.J., Bibliography 1929-2006 is formatted according to The Chicago Manual of Style, Fourteenth Edition, with incidental adaptations. It is available in Language, Culture, and Identity: The Legacy of Walter J. Ong, S.J., edited by Sara van den Berg and Thomas M. Walsh (Cresskill, New Jersey: Hampton Press), 2011.
The Bibliography is also searchable online at http://bibs.slu.edu/ong/searchForm.php.