Grey literature is difficult to define succinctly but a generally agreed upon definition is that it consists of publications of various types from institution or companies that are not usually in the business of publishing commercially. These can consist of for instance business reports from companies, government reports about various sectors of the country or conference proceedings that are not generally formally published.
A list of what grey literature consist of can be seen here.
To showcase the variety of Grey Literature a few examples from the lists will be described here. Grey literature can consist of :
Theses PHD and master level
When to it. something for example the HSE should in . For projects about public to your departments that you would think would produce information make a list of organisations and or your own personal topic and either through for grey literature think of