| title | creator | language | description | tableOfContents | contributor | subject | created |
| Applied Psychology: Making Your Own World
Being the Second of a Series of Twelve Volumes on the
Applications of Psychology to the Problems of Personal and
Business Efficiency | Hilton, Warren, 1874- | en | | | | Psychology, Applied; Success | 2009-03-19 |
| This One Problem | Pease, M. C. | en | | | | Science fiction; Short stories | 2009-07-08 |
| A Comparative Study of the Negro Problem
The American Negro Academy. Occasional Papers No. 4 | Cook, Charles C. | en | | | | | 2010-02-17 |
| The Canterbury Puzzles
And Other Curious Problems | Dudeney, Henry Ernest, 1857-1930 | en | | | | Puzzles; Riddles | 2008-12-27 |
| A Problem in Modern Ethics
being an inquiry into the phenomenon of sexual inversion,
addressed especially to Medical Psychologists and Jurists | Symonds, John Addington, 1840-1893 | en | | | | | 2010-05-29 |
| Problems of Poverty | Hobson, J. A. (John Atkinson), 1858-1940 | en | | | | Poor -- Great Britain; Working class -- Great Britain; Sweatshops -- Great Britain | 2004-01-01 |
| Rural Problems of Today | Groves, Ernest R. (Ernest Rutherford), 1877-1946 | en | | | | Social problems; Rural conditions | 2009-03-20 |
| Problems of Expansion
As Considered In Papers and Addresses | Reid, Whitelaw, 1837-1912 | en | | | | | 2008-07-15 |
| Imperium in Imperio: A Study of the Negro Race Problem
A Novel | Griggs, Sutton E. (Sutton Elbert), 1872-1933 | en | | | | | 2005-03-24 |
| Catholic Problems in Western Canada | Daly, George Thomas, 1872-1956 | en | | | | | 2006-05-11 |
| Power of Mental Imagery
Being the Fifth of a Series of Twelve Volumes on the
Applications of Psychology to the Problems of Personal and
Business Efficiency | Hilton, Warren, 1874- | en | | | | Imagery (Psychology); Psychology, Applied | 2007-09-02 |
| The Problems of Psychical Research
Experiments and Theories in the Realm of the Supernormal | Carrington, Hereward, 1880-1959 | en | | | | | 2007-11-29 |
| Psychology and Achievement
Being the First of a Series of Twelve Volumes on the Applications of Psychology to the Problems of Personal and Business Efficiency | Hilton, Warren, 1874- | en | | | | Psychology, Applied; Achievement motivation | 2004-10-19 |
| India's Problem, Krishna or Christ | Jones, John P. (John Peter), 1847-1916 | en | | | | Missions -- India; Missions to Hindus -- India; Christianity and other religions -- Hinduism; India -- Social life and customs | 2008-11-15 |
| A Social History of the American Negro
Being a History of the Negro Problem in the United States. Including
A History and Study of the Republic of Liberia | Brawley, Benjamin Griffith, 1882-1939 | en | | | | African Americans -- History; Slavery -- United States -- History; African Americans -- Social conditions; United States -- Race relations; Liberia -- History | 2004-04-01 |
| Rebuilding Britain
A Survey of Problems of Reconstruction After the World War | Hopkinson, Alfred, Sir, 1851-1939 | en | | | | | 2005-02-02 |
| The Head Voice and Other Problems
Practical Talks on Singing | Clippinger, D. A. (David Alva), 1860-1938 | en | | | | | 2006-10-07 |
| The Servant Problem | Young, Robert F., 1915-1986 | en | | | | | 2007-10-29 |
| Applied Psychology: Driving Power of Thought
Being the Third in a Series of Twelve Volumes on the
Applications of Psychology to the Problems of Personal and
Business Efficiency | Hilton, Warren, 1874- | en | | | | | 2010-07-04 |
| An Ethical Problem
Or, Sidelights upon Scientific Experimentation on Man and Animals | Leffingwell, Albert, 1845-1916 | en | | | | | 2006-12-29 |
| Essentials of Economic Theory
As Applied to Modern Problems of Industry and Public Policy | Clark, John Bates, 1847-1938 | en | | | | | 2010-02-02 |
| A Difficult Problem
1900 | Green, Anna Katharine, 1846-1935 | en | | | | | 2007-09-29 |
| The Rural Life Problem of the United States
Notes of an Irish Observer | Plunkett, Horace Curzon, Sir, 1854-1932 | en | | | | Farm life; Natural resources | 2008-11-21 |