The library holds collections in the areas of government documents, law, Massachusetts history, and public and current affairs. "As the legally designated depository library for Massachusetts state publications, the State Library has the most complete collection of Massachusetts government documents in existence."[13] The library maintains a comprehensive collection of Massachusetts legislative documents and House and Senate Journals, which are the primary sources for doing Massachusetts legislative history research.[14] The Periodicals holdings includes dozens of daily and weekly newspapers from various towns and cities in Massachusetts that are available in print and on microfiche.[15]