Complex sentence: His translation of the "Divine Comedy of Dante Alighieri" appeared between 1980 and 1984; they were published by University of California Press and supported by the notable Dante scholar Irma Brandeis.
Split into simpler sentences: His translation of the "Divine Comedy of Dante Alighieri" appeared in the early 1980s. It was supported by the notable Dante scholar Irma Brandeis.