Research Databases: O

The official State of Ohio government site is full of resources for citizens and businesses.

An evolving, dynamic online encyclopedia that includes information about Ohio's natural history, prehistory and history. Each section contains written information, maps, timelines, and images.

This website provides access to numerous Ohio history resources.

Take practice tests, search for jobs, post your resume.

Practice tests for licensing exams (Civil Service, Allied Health, ASVAB, etc.) and academics (SAT, ACT, GRE, MCAT, etc) are found in the Assessment and Training section. You can use access practice tests anonymously, or register/sign in to save your progress and results.

A digital collection of Ohio historical artifacts.

Index of 2,850,000 obituaries, death & marriage notices, and other Ohio sources, from 1810s to present.
^{Actual obits may be ordered from over 60 partner libraries; only Hayes Library has online ordering.}

Ohio Legal Help is a nonprofit organization founded to help all Ohioans access the civil justice system, providing plain language legal help information, interactive self-help tools and connections to local legal and community resources that can help people resolve their legal issues.

Ohio State University Extension Office provides a wealth of information on subjects such as agriculture, natural resources, family and consumer sciences, community development, and 4-H.

Covering today’s hottest social issues, Gale In Context: Opposing Viewpoints helps students research, analyze and organize a broad variety of data for conducting research, completing writing assignments, preparing for debates, creating presentations, and more.

Authoritative reference content exploring topics in humanities, social sciences, and science.