De Brevitate Vitae—"On the Shortness of Life". Translated by John W. Basore, Loeb Classical Library London: William Heinemann, 1932
ON THE SHORTNESS OF LIFE
This work was published before January 1, 1926, and is in the public domain worldwide because the author died at least 100 years ago.
This work is in the public domain in the United States because it was legally published within the United States (or the United Nations Headquarters in New York subject to Section 7 of the United States Headquarters Agreement) before 1964, and copyright was not renewed.
Works published in 1932 would have had to renew their copyright in either 1959 or 1960, i.e. at least 27 years after it was first published / registered but not later than 31 December in the 28th year. As it was not renewed, it entered the public domain on 1 January 1961.