Grey Literature

Examples of grey literature include reports, theses, dissertations, official documents, informal communication, research-in-progress, or clinical trials produced by government agencies, academic institutions, or business.  Grey literature is not controlled by commercial or academic publishers and is not peer-reviewed.

Databases Featuring Grey Literature

CDC Stacks

A database featuring various collection of CDC publications including guidelines and recommendations, early MMWR reports, and information on topics ranging from reproductive health to influenza surveillance.

Dissertation Abstracts

ProQuest Dissertations and Theses is the official digital dissertations archive for the Library of Congress and the database of record for graduate research.  PQDT - Full Text includes 2.7 million searchable citations to dissertations and theses from around the world from 1861 to the present, together with 1.2 million full text dissertations that are available for download in PDF format.


International, national, and local news sources and news wires.

NTRL-National Technical Reports Literature

NTRL provides access to a large collection of historical and current authenticated government technical reports in a wide range of subject areas, including health care, environmental pollution, medicine, biology, engineering and more.  The database includes over 2 million titles with links to over 700,000 full-text reports.  1964-present


Indexes literature in fields of reproductive health, family planning, and population policy for all countries, and covers related topics such as AIDS, maternal and child health, and demography for developing countries.