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  |  | PORBASE (base de dados da Biblioteca Nacional de Lisboa) |  
  Entrada principal: http://www.ibl.pt/bn/porbase/aceder/aceder.html 
  Acesso 24 horas via www: http://sirius.biblioteca-nacional.pt/scripts/sirius.exe Ligações para bibliotecas portuguesas ligadas à PORBASE: http://www.ibl.pt/ibl/bn/apontadores/bibliotecas/paises/portugal.html 
  http://infoshare1.princeton.edu:2003/databases/about/dis_abs.html 
  |  | Electronic Theses and Dissertations (ETDs) in the
    Humanities (Univ. of Virginia, USA) |  
  Directory of Electronic Theses and Dissertations currently
  in progress. 
  This site serves as a clearing-house for online information
  related to electronic theses and dissertations (ETDs) in the humanities.
  The site's most important feature is a directory of most (maybe not quite all) of the ETDs
  that are currently in progress in the various disciplines that comprise the academic
  humanities. Among its other uses, I hope the material available here will be of aid to
  graduate students who are faced with securing approval and support for an ETD of their
  own. Audiences also include faculty who want to make informed decisions about supervising
  an ETD, as well as librarians, administrators, and academic publishers. 
  http://etext.lib.virginia.edu/ETD/ETD.html 
  |  | UMI's Online Dissertation Services http://www.umi.com/hp/Products/Dissertations.html UMI publishes and archives dissertations and theses; sells copies on demand; and
    maintains the definitive bibliographic record for over 1.4 million doctoral dissertations
    and master's theses. Students, faculty, staff and researchers can now order their
    own unbound copies of dissertations and theses with express delivery to their home,
    school or office. Select from over one million titles available from UMI. Link to Dissertations
    Express: |  
  http://wwwlib.umi.com/dxweb/gateway 
  |  | Indexes to and Bibliographies of Dissertations (Yale
    University, USA) Dissertation
    abstracts online combines, enhances and enlarges the indexing access to records of
    dissertations included in its printed predecessors, Dissertation abstracts
    international (DAI) and Comprehensive dissertation index (CDI) . Unlike DAI,
    abstracts are included only for titles completed since July 1980, although like CDI,
    bibliographic data for titles is included for dissertations back to 1861. It also includes
    citations and abstracts for masters theses drawn from University Microfilms' Masters
    Abstracts International. |  
  http://www.library.yale.edu/ref/err/dissindx.htm 
  |  | Dissertation Abstracts International
 Dissertation Abstracts International on CD-ROM includes abstracts of doctoral
    dissertations submitted to the publishers by 550 participating institutions in North
    America and throughout the world. Each author- prepared abstract, up to 350 words in
    length, describes in detail the original research project on which the dissertation is
    based.
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  The CD-ROM lists dissertations from 1861 to the present, although
  abstracts are not available electronically for pre-1982 dissertations. Earlier abstracts
  are in printed volumes that must be fetched for you from the Stack. The CD-ROM is updatedquarterly.
 http://www.ull.ac.uk/ASQ/guides/databases/dai.html 
  |  | Dissertation Abstracts International on CD-ROM (Univ. of
    Berkeley, California, USA).  |  
  Dissertation Abstracts includes indexing for doctoral
  dissertations since 1861 and masters' theses since 1960. Approximately 45,000 titles are
  added each year from more than 1,000 universities, including almost all North American
  graduate schools and many European universities. Abstracts are included for dissertations
  published since July 1980 and masters' theses published since 1988. Updates are received
  quarterly. 
  http://www.lib.berkeley.edu/TeachingLib/Guides/CDROM/DAI.html 
  |  | Dissertation Abstracts (Duke University, USA) |  
  Covers the complete range of academic subjects appearing in dissertations accepted
  at accredited institutions since 1861. Covers most U.S. institutions, with some from
  Canada and other countries. Indexing begins with 1861. Abstracts are provided for
  doctoral dissertations from 1980 and forward; for masters theses, from 1988
  and forward. Abstracts for dissertations from 1938 to 1980 are available in the print
  version of Dissertation Abstracts, available in the Perkins Reference index area.  Contains the contents of Comprehensive Dissertation Index, Dissertation
  Abstracts International (Sections A,B,C), Masters Abstracts International,
  and American Doctoral Dissertations.  http://www.lib.duke.edu/databases/descriptions/dissertationabs.html 
  |  | Dissertation Abstracts/Digital Dissertations (Harvard University, USA) |  
  Contains records describing dissertations and masters' theses in all areas of
  academic research at over 550 universities, including almost all North American graduate
  schools and many European universities, as well as full text for over 70,000 dissertations
  from 1997 forward. http://hplus.harvard.edu/alpha/umi_diss.html   
       
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