Dreiser-Mencken lettersThomas P. Riggio, Theodore Dreiser, H. L. Mencken · First published 1986 · Latest edition 2016Open the Tome
American Diaries, 1902-1926Theodore Dreiser, Thomas P. Riggio, James L. W. West III · First published 2015Open the Tome
Letters to WomenTheodore Dreiser, Thomas Riggio · First published 2010 · Latest edition 2014Open the Tome
Leadership and the liberal artsJ. Thomas Wren, Ronald E. Riggio, Michael A. Genovese · First published 2009Open the Tome
