NCKU Thesis & Dissertation
Theses and Dissertations in Taiwan
Airiti Library-Master's and Doctoral Thesis & Dissertation(a collection of  Master's and Doctoral theses/dissertations of 49 universities and colleges in Taiwan and overseas and  theses/dissertations of higher education institutions in 31 mainland Chinese provinces)
Theses and Dissertations in China
China National Knowledge Infrastructure (CNKI)
Includes the "China Doctoral Dissertations Full-text Database" and "China Master's Theses Full-text Database", both of which collects the following contents:
1. China Doctoral Dissertations Full-text Database - Collected approximately 260,000 doctoral dissertations from 1984 to the present.
2. China Master's Theses Full-text Database - Collected approximately 2,000,000 Master's theses from 1984 to the present
Theses and Dissertations in European and US Countries
Digital Dissertation Consortium
Collected approximately 190,000 full-text doctoral dissertations in USA and Canada. To search for foreign theses and dissertations, you should use the Digital Dissertation Consortium first and then use the PQDT Database if you did not find the required information.
ProQuest Dissertations and Theses (PQDT)
Developed by ProQuest, this system has collected more than 2.4 million doctoral and Master's theses and dissertations in USA and Canada. It provides free access to the first 24 pages of doctoral and Master's theses and dissertations published after 1997. You can purchase them from ProQuest online and choose to have them faxed or mailed to you or download the PDF files directly. You can also apply for them through the Nationwide Document Delivery Service (NDDS).