Afterwards, he returned to Japan to study the languages Nivkh, Orok, and Ainu, this time with funding from both the Ford Foundation and the American Philosophical Society.
Between 1960 and 1965, together with Uriel Weinreich, William Diver, and André Martinet, he was co-editor of the journal Word.
In 1961, with funding from a National Science Foundation grant to Michael Krauss, Austerlitz conducted approximately one month of field work with the Eyak language, resulting in a collection of at least eight recordings and approximately 600 pages of manuscript notes, now housed at the Alaska Native Language Archive.
[1] In 1965, with funding from Indiana University, he researched the Hungarian language by invitation of the Institute for Cultural Relations, located in Budapest, Hungary.
[2] In 1992, Austerlitz published dictations from recordings of Nivkh shaman Chiyo Nakamura (1903–1969), done during his stay in Japan in the 1950s.