Below is a sampling of Annual Reviews in the sciences. Access more titles here or search using the first link on the list.

Gray literature is information that is not published in mainstream formats, i.e. journals or monographs. It is not typically indexed in databases and can therefore be challenging to find. Traditionally, gray literature includes:

• Technical reports
  

• Dissertations & theses
  

• Patents
  

• Some conference proceedings
  

• Many other publications such as preprints, white papers, internal newsletters
  

Try the below resources to locate specific types of gray literature.

These guides created by other libraries provide links and general tips for searching for gray literature on the Internet.

• Gray Literature 101: What it is, Where it is, and How to Find it
  
  
• Finding Gray literature

• Gray literature: Preprints, E-prints, Technical Reports