Canadian Agency for Drugs and Technologies in Health, Grey matters: a practical search tool for evidence-based medicine
Health librarians and grey literature: what do we need to know? / invited lecture presentation and notes by Jess Tyndall, Medical Librarian, Flinders University. Presented Royal Melbourne Hospital, July 15 2014 and Royal Adelaide Hospital, September 25 2014.

Primary Health Care Research & Information Service, Introduction to ... accessing the grey literature

Tyndall, J. AACODS Checklist , Flinders University, 2010.

University guides on searching the grey literature
LaTrobe University Grey literature for health sciences
MacQuarie University Systematic reviews - grey literature
University of Canberra Grey literature searching in health
University of Newcaste Systematic reviews - grey literature
University of WA Systematic reviews - grey literature