| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Four-Dimensional Vistas | Bragdon, Claude Fayette, 1866-1946 | en | 2004-04-01 | ||||
| The Fourth Dimensional Reaches of the Panama-Pacific International Exposition | Williams, Cora Lenore | en | 2004-04-01 |