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Othmer Library Online Catalog

Use Midon, our online catalog, to access information about all of the Othmer Library’s holdings, including modern and rare books, journals, archives, and photographs. Need assistance? Don’t hesitate to send us your reference question.

Search Midon, the Othmer Library Catalog

Digital Collections

Find digitized artifacts, photographs, advertisements, letters, rare books, oral histories, and more.


Museum Collections

Search our museum collections here. This database includes fine art, scientific instruments, objects related to the history of science, and paper ephemera.