- Eugene Field, a Study in Heredity and Contradictions — Volume 1
- Eugene Field, a Study in Heredity and Contradictions — Volume 2
- Mark Twain: A Biography. Complete
- Mark Twain: A Biography. Volume I, Part 1: 1835-1866
- Mark Twain: A Biography. Volume I, Part 2: 1866-1875
- Mark Twain: A Biography. Volume II, Part 1: 1886-1900
- Mark Twain: A Biography. Volume II, Part 2: 1886-1900
- Mark Twain: A Biography. Volume III, Part 1: 1900-1907
- Mark Twain: A Biography. Volume III, Part 2: 1907-1910
- Perley's reminiscences of sixty years in the national metropolis, v. 1-2