| title | creator | language | description | tableOfContents | contributor | subject | created |
| Company K, Twentieth Regiment, Illinois Volunteer Infantry
Roster and Record | Brown, Andrew | en | | | | | 2010-04-17 |
| Twentieth Century Negro Literature
Or, A Cyclopedia of Thought on the Vital Topics Relating
to the American Negro | | en | | | Culp, Daniel Wallace [Editor] | | 2006-07-06 |
| 1931: A Glance at the Twentieth Century | Hartshorne, Henry, 1823-1897 | en | | | | | 2010-02-03 |
| The Twentieth Century American
Being a Comparative Study of the Peoples of the Two Great
Anglo-Saxon Nations | Robinson, Harry Perry, 1859-1930 | en | | | | United States -- Civilization; Great Britain -- Civilization | 2009-11-26 |
| Twentieth Century Inventions
A Forecast | Sutherland, George, 1855-1905 | en | | | | | 2010-02-10 |
| Through Palestine with the Twentieth Machine Gun Squadron | Unknown | en | | | | Great Britain. Army. Machine Gun Squadron, 20th -- History; World War, 1914-1918 -- Regimental histories -- Great Britain | 2005-11-19 |
| Prize Orations of the Intercollegiate Peace Association | Intercollegiate Peace Association | en | | Foreword / C. F. Thwing -- The Intercollegiate peace association / S. F. Weston -- The conflict of war and peace / Paul Smith -- The United States and universal peace / G. P. Wishard -- The evolution of world peace / L. T. Pennington -- The waste of war--the wealth of peace / A. F. Young -- The hope of peace / S. H. Howe -- The Roosevelt theory of war / P. V. Blanshard -- National honor and vital interests / Russell Weisman -- The evolution of patriotism / P. B. Blanshard -- Certain phases of the peace movement / Calvert Magruder -- The assurance of peace / V. M. Welsh -- Education for peace / F. J. Lyons -- National honor and peace / Louis Broido -- The new nationalism and the peace movement / R. D. Lucas -- Man's moral nature the hope of universal peace / Victor Morris -- The task of the twentieth century / Harold Husted -- The present status of international arbitration / Bryant Smith. | Weston, Stephen Francis, 1855-1935 [Editor] | Peace; War | 2009-10-01 |