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Networked Digital Library of Theses and Dissertations
NDLTD UNION CATALOG
A collaborative effort of the NDLTD, OCLC, VTLS, and Scirus, the NDLTD Union Catalog contains more than one million records of electronic theses and dissertations. For students and researchers, the Union Catalog makes individual collections of NDLTD member institutions and consortia appear as one seamless digital library of ETDs. The NDLTD provides free resources to contribute your institution's metadata - click to learn more about the Union Catalog project.
SEARCH and BROWSE ETDs
Two tools have been developed specifically to search and browse the NDLTD Union Catalog. Other valuable tools have been developed for searches focused on specific countries or regions. Select the tool below that meets your needs.
Search tools developed for the NDLTD Union Catalog
Scirus ETD Search
A comprehensive scientific research tool from Elsevier, Scirus ETD Search provides an advanced search that can narrow results to theses and dissertations as well as provide access to related scholarly resources.
VTLS Visualizer
This is a dynamic search and discovery platform with sophisticated functionality. You can sort by relevance, title, and date. In the current implementation, faceted searches are available by language, continent, country, date, format and source institution. Additional facets, such as subjects or departments, can be added if desired.
A comprehensive scientific research tool from Elsevier, Scirus ETD Search provides an advanced search that can narrow results to theses and dissertations as well as provide access to related scholarly resources.
VTLS Visualizer
This is a dynamic search and discovery platform with sophisticated functionality. You can sort by relevance, title, and date. In the current implementation, faceted searches are available by language, continent, country, date, format and source institution. Additional facets, such as subjects or departments, can be added if desired.
Other useful ETD search tools
ADT (Australiasian Digital Theses Program)
This search portal provides searching, browsing, and access to ETDs produced in Australia.
Biblioteca Digital de Teses e Dissertacoes
A search tool for accessing ETDs produced in Brazilian universities.
A portal developed jointly by the University of Chile, the Universites de Lyon, Montreal, and Alexandrie, and the University of Geneva for accessing full text ETDs from many countries, including Bolivia, Brazil, Canada, Chile, France, Hong Kong, Mexico, Peru, Spain, and the United States.
A discovery service for open access research theses awarded by European universities.
Dissertations since 1998 are available via search in the German National Library.
This portal provides access to ETDs and research publications written at 26 institutions in Scandinavia.
Electronic Theses Online Service (EThOS) offers free access, in a secure format, to the full text of electronically stored UK theses--a rich and vast body of knowledge.
This search portal provides access to ETDs produced in the Netherlands, as well as access to a variety of other research and data sets.
National ETD Portal (South Africa)
This search portal provides access to ETDs produced in South Africa.
ProQuest Dissertations and Theses
Many university libraries provide password access to this commercial database, but the link above also provides access for individuals without a connection to a research library. The collection includes most recent North American ETDs and selective coverage for other regions of the world.
RCAAP - Repositório Científico de Acesso Aberto de Portugal
The RCAAP's mission is to promote, support and facilitate the adoption of the open access movement in Portugal. RCAAP The project aims to: increase the visibility, accessibility and dissemination of academic activity and Portuguese scientific research, facilitating the management and access to information about scientific production and integrate Portugal into a set of international initiatives. This portal offers a union catalog with digital contents from more than 30 institutions.
A union catalog of Canadian theses and dissertations, in both electronic and analog formats, is available through the search interface on this portal.
WorldCat
NDLTD Union Catalog hosted by OCLC.
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