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Reference content in humanities, social sciences, and science

Containing resources that present multiple sides of an issue, this resource provides the basis from which students can realize and develop persuasive arguments and essays, better understand controversial issues and develop analytical thinking skills.

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.