Research Databases

Old Maps Online is a search engine for historical maps in online collections that have been made available to everyone by their owners. The maps cover hundreds of years of history and number over 400,000 across the different collections. Just choose a location and the search engine will show you all associated maps from that area.

This database contains over 40,000 detailed maps of cities, towns, and their buildings in Ohio. The maps cover the years 1882 to 1962, and are useful for discovering the layout of a community and the details of the buildings in the community.