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historical maps of Ohio cities Sanborn Fire Insurance Maps

Historical maps of Ohio cities

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Science information Science Reference Center

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

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Small business reference books Small Business Reference Center`

Small Business Reference Center offers exclusive full text for many top consumer small business reference books, as well as tools to address many small business topics. It includes business videos, a help and advice section and details on how to create business plans.

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Small Engine Repair

This reference database provides detailed yet user-friendly repair guides for all manner of small engines. All of the content is organized in a powerful, easy-to-use manner so that users can quickly find the information they need.

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