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Research Guide

The Library is your hub to research and knowledge. Use the tools here to get answers to your questions and get to know the library databases available.


Learn a new language through Mango Languages, available online or via their app. To begin, use the link to Mango below to create a user account that is tied to your JCLS Library Card. Then, you can use your log-in information to sign into Mango Languages directly or by means of their app.

You can also find books dealing with language in your library's non-fiction section. Languages spans the 400-499 range of the dewy decimal system. Library2Go also offers a wide range of language related materials, including language learning audiobooks available for checkout.

Dewey Classification