Where can I find Grey Literature?
•Work done at the PhD-level requires exhaustive searching for hard-to-find materials
•Systematic reviews, clinical trials and in-house research that cover health and wellness issues
•Most advanced research done at universities, medical schools and health organizations
•Environmental organizations, engineering publications and newsletters, conservation resources
•Geological and geophysical surveys, maps, fossil records, locations of minerals and ores
•Grey literature in technical fields, aeronautics and engineering may include contractor and technical reports, product codes and standards, special publications, handbooks and patents