NURS 851-Advanced Nursing Research I

What is Grey Literature?

“Grey literature is the unpublished, non-commercial, hard-to-find information that organizations such as professional associations, research institutes, think tanks, and government departments produce.”



Luxembourg definition

“That which is produced on all levels of government, academics, business and industry in print and electronic formats, but which is not controlled by commercial publishers” (Farace, 1997)