The Milwaukee Public Library has a very extensive periodical section. It includes over 1000 magazines and journals, over 100 newspapers from all over the world and country, and there are over 1 million periodical materials in storage.
MPL is also a depository for government documents. It is one of two in the state. It is also a depository for patents and research materials. They keep a significant amount of literature relating to patents and how to get them, as well a research resources.