Home Page

Find large scale street plans produced by the Sanborn Fire Insurance company from 1867 to 1970. Locate and identify buildings and neighborhoods. Study the growth of towns and cities, and the impact of new development

Contains full text for hundreds of science encyclopedias, reference books, periodicals and other sources.

Offers exclusive full text for many top consumer small business reference books, as well as tools to address many small business topics. Includes business videos, a help and advice section and details on how to create business plans.

An excellent way to get a quick authoritative and accessible overview of a subject.

For both budding naturalists and inadvertent encounters, What's That Snake? will help anyone identify an Ohio snake in a few simple steps. Learn more by exploring Snakes by Name, a Snake FAQ, the Glossary, or Further Reading suggestions.

Whether wandering through the woods or the neighborhood, users can use What Tree Is It? to identify their surrounding trees by leaf or fruit. Learn more by exploring trees by name.

By answering just a few questions, flint artifacts of Ohio can be identified as a blade, drill, point, or scraper and attributed to a likely era and people. Learn more by exploring the Glossary, Artifacts Index, or articles about Ohio's Prehistoric People.

Upper-level Spanish language database intended for high school students through adult learners. – La base de datos de nivel superior en español destinada a estudiantes de secundaria hasta adultos.

Bienvenue à L'Encyclopédie Découverte, World Book's French language encyclopedia. It features two interfaces: one aimed at grades K through 4 and for older students and adults. – Bienvenue à L'Encyclopédie Découverte, encyclopédie de la langue française du World Book. Il comporte deux interfaces: une destinée à la maternelle à la quatrième année et une pour les élèves plus âgés et les adultes.

Ages 6-10. This go-to resource is chock-full of fun activities, hands-on science projects, and age-appropriate articles, and offers image-based navigation to help young learners find information quickly and develop necessary digital literacy skills.