Click on subject link below for a quick search of the Grey Literature Report:
1999-2016 New York Academy of Medicine grey literature database contains materials on health and science policy, public health, health populations. general medicine, disease with the focus is on research material, not consumer health material.
The database collected unindexed materials that are not produced by commercial publishers and are unavailable through normal, commercial distribution channels. The collected grey literature were published by government agencies, non-profit non-governmental organizations, universities, independent research centers, and international organizations
Document types collected include but are not limited to case studies, conference proceedings, discussion papers, fact sheets, government documents, issue briefs, research reports, statistical reports, and white papers. Numeric reports are not collected, although questionnaires, health statistics and data are collected when they form an integral part of a report. No audiovisual material, videos or webcasts were collected. source: bhttp://www.greylit.org/home