Gray Literature

searches the websites of institutions that generate public policy research, analysis, and activity. These sites are affiliated with universities, governments, advocacy groups, foundations, and non-governmental organizations. Inclusion is based upon the relevancy of subject area to HKS coursework and scholarship, the availability of the think tank’s research in full-text on the website, and the think tank’s reputation and influence upon policy making. The list represents a mixture of partisan and non-partisan think tanks.

JSTOR hosts a growing curated collection of more than 50,000 open research reports from 187 think tanks and research institutes from around the world. These publications are freely accessible to everyone on JSTOR and discoverable as their own content type alongside journals, books, and primary sources. We update research reports on our platform each month as they become available through contributing institutes.

The Brookings Institution is a nonprofit organization whose mission is to conduct in-depth, nonpartisan research to improve policy and governance at local, national, and global levels.

The American Enterprise Institute is a public policy think tank dedicated to defending human dignity, expanding human potential, and building a freer and safer world. The work of our scholars and staff advances ideas rooted in our belief in democracy, free enterprise, American strength and global leadership, solidarity with those at the periphery of our society, and a pluralistic, entrepreneurial culture.

Heritage’s mission is to formulate and promote public policies based on the principles of free enterprise, limited government, individual freedom, traditional American values, and a strong national defense.

The vision of the Cato Institute is to create free, open, and civil societies founded on libertarian principles.

The Center for American Progress is an independent, nonpartisan policy institute that is dedicated to improving the lives of all Americans through bold, progressive ideas, as well as strong leadership and concerted action. Our aim is not just to change the conversation, but to change the country.

RAND is a research organization that develops solutions to public policy challenges to help make communities throughout the world safer and more secure, healthier and more prosperous.

Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. We conduct public opinion polling, demographic research, content analysis and other data-driven social science research. We do not take policy positions.