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Good review practice: a researcher guide to systematic review methodology in the sciences of food and health

Grey literature resources

Grey literature resources

Non-specific (region or country) services for locating theses 

Free to search and in some cases download

Networked Digital Library of Theses and Dissertations

Proquest Open Dissertations and Theses

EBSCO Open Dissertations

Networked Digital Library of Theses and Dissertations (NDLTD)

  • NDLTD provides access to citations from over a million of digital dissertations and theses that are in PDF format. A significant number of these resources are freely available in full-text and can be viewed online.

OAIster ( 

  • Filter search for Theses and Dissertations

OATD -Open Access Theses and Dissertations

  • Advanced research and scholarship. Theses and dissertations, free to find, free to use.

Theses by region

Free to search and in some cases download 

Central American Theses (Universtity of Kansas)

Dart -Europe E-theses Portal

  • Access to 1,194,767 open access research theses from 575 Universities in 29 European countries

Theses by country

Free to search and in some cases download 

Australian Theses

  • Search Research & Reports, then filter for Theses

Canada:  Theses Canada

Indian Theses - Shohdganga

Korean Theses

Netherlands Theses

New Zealand Theses

Pakistan Theses

Portugal Theses

Russian Theses

Saudia Arabia Theses

South African Theses and Dissertations

Spanish Theses

Swedish University Dissertations

Swedish Theses: Digitala Vetenskapliga Arkivet

Taiwan:  National Digital Library of Theses and Dissertations

United Kingdom:  British Library Ethos E-Thesis Online Service 

Theses by institution

Free to search and in some cases download 

Harvard, Faculty of Arts and Sciences Theses and Dissertations

MIT Theses

University of Hong Kong Theses

University of Illinois at Urbana-Champaign Theses and Dissertations

University of Japan Theses

University of São Paulo

Fee services a university might subscribe to

China Masters' Theses Full-text Database (CNKI)

Proquest Dissertations and Theses Global

*This list is based on Theses - Managing Information for Research - LibGuides at The University of the West Indies (


Conference proceedings are included in some databases, but tend not to be exhaustive.  Exploring a conference website directly can lead to the discovery of studies in progress or not yet published, or unpublished, studies.  Study authors discovered through conference proceedings can be contacted directly for more information about the research.