Open Access Literature Resources for International Agricultural Researchers

by Ruth Gustafson – September 23, 2017

This guide provides links to key resources and search tools for open access (OA) literature which are useful to international agricultural researchers.

Ruth Gustafson

Student Services
Student Services Librarian


In this Guide:

Extensive Multidisciplinary and Multiformat Resources

DOAJ : Directory of Open Access Journals

Administrated by: Lund University, Sweden

The DOAJ “was launched in 2003 at Lund University, Sweden, with 300 open access journals and today contains ca. 9000 open access journals covering all areas of science, technology, medicine, social science and humanities.”   This directory is a “community-curated list of open access journals and aims to be the starting point for all information searches for quality, peer reviewed open access material.”


PQDT Open : ProQuest Dissertations and Theses

Administrated by:  ProQuest LLC

Subset of ProQuest’s database which includes materials which “authors of these dissertations and theses have opted to publish as open access.”


OpenDOAR : The Directory of Open Access Repositories

Administrated by: University of Nottingham, UK.

OpenDOAR is an “authoritative directory of academic open access repositories. Each OpenDOAR repository has been visited by project staff to check the information that is recorded here. This in-depth approach does not rely on automated analysis and gives a quality-controlled list of repositories.”



Administrated by:  University of California and powered by the California Digital Library

This UC platform hosts OA content by the university’s researchers and “provides Open-Access scholarly publishing services to
the University of California and delivers a dynamic research platform to scholars worldwide.”



Administrated by:  U.S. Universities/Libraries and large international organizations such as the Internet Archive

HathiTrust is a portal to materials converted through massive digitization projects and is a “partnership of academic & research institutions, offering a collection of millions of titles digitized from libraries around the world. …  The primary community that HathiTrust serves is the members (faculty, students, and users) of its partner libraries, but the materials in HathiTrust are available to all to the extent permitted by law and contracts, providing the published record as a public good to users around the world.”   For U.S. publications, anything earlier than 1923 is considered no longer under copyright and should be freely accessible.  HathiTrust was launched “in 2008 as a collaboration of the universities of the Committee on Institutional Cooperation (now the Big Ten Academic Alliance) and the University of California system to establish a repository to archive and share their digitized collections.”


Internet Archive

Administrated by: Internet Archive

Massive digital projects and archived materials from around the world.

Comprehensive Agricultural Library Catalogs or Meta-catalogs

UC Davis Library Catalog

Replacing Harvest on August 18, 2016, the new UC Davis Library Catalog includes the collections of all four UC Davis General Libraries. It does not include the holdings of the Law Library. The University Library at UC Davis is the largest agricultural library West of the Mississippi.
Make sure you change settings to “University of California Libraries” for the 10 UC campus library systems.
NAL Catalog (Books section)