| Britannica Escolar Britannica Escolar es una enciclopedia en dos partes con portales para estudiantes de primaria y secundaria. | |
| Britannica School Elementary Thousands of articles on a wide range of subjects. The entries are specially designed at different reading levels, allowing students to move easily to material of higher or lower comprehension levels as needed for K-6, middle school and high school. | |
| Britannica School High Thousands of articles on a wide range of subjects. The entries are specially designed at different reading levels, allowing students to move easily to material of higher or lower comprehension levels as needed for K-6, middle school and high school. | |
| Britannica School Middle Thousands of articles on a wide range of subjects. The entries are specially designed at different reading levels, allowing students to move easily to material of higher or lower comprehension levels as needed for K-6, middle school and high school. | |
| CIA World Factbook Almanac-style information. | |
| David Rumsey Map Collection Historical maps, including Santa Cruz and Central California. | |
| Historic Topographic Maps of California - Monterey Bay Region From the Earth Sciences and Map Library, UCB. Shows digital quadrangles for selected years. Searchable by name of quadrangle and by place. | |
| Local History Articles | |
| National Geographic Virtual Library Archive 1888-1994 | |
| New York Public Library Digital Collections Images from NYPL's collections including streaming video. | |
| Perry-Castañeda Library Map Collection Current and historical maps. | |
| USGS Education A U.S. Geological Service that supports educators in the sciences with curricula resources for K-college. | |
| USGS.gov Live earthquake maps, water resources, ecosystems and environment, climate change, and topographical maps. |
