Bibliographical Databases make it relatively easy to compile thematic bibliographies, e.g. on intersectionality:

Belgium
Amazone
http://db.amazone.be/catalogue

Denmark
KVINFO
https://kvinfo.bibits.no/

The Netherlands
IIAV
http://www.iiav.nl/eng/databases/

Sweden
VINNSAM, an interdisciplinary database with about 120.000 references, most of them in English
http://libris.kb.se/form_extended.jsp?f=kvin.

GENA, a database of PhD-theses in Women's Studies, Men's Studies and Gender Research in Sweden, from 1960’s onwards. The interface is in Swedish but many of the theses are written in English and most of those in other languages have an English abstract. It is possible to search by language [språk].
http://www.ub.gu.se/kvinn/gena

United Kingdom
The Women’s Library’s printed and archive catalogues
http://www.londonmet.ac.uk/thewomenslibrary/searchthecollections/

COPAC merged online catalogues of major University and National Libraries in the UK and Ireland, including the British Library

http://www.copac.ac.uk/

SUNCAT The Serials Union Catalogue for the UK research community http://www.suncat.ac.uk links to other union catalogues

INTUTE, search for “women” and click on the category “bibliographic databases” using the advanced search
http://www.intute.ac.uk/socialsciences/search.html

Italy
The Italian Women’s Library catalogue can be searched via the OPAC merged online National catalogues:
http://sol.cib.unibo.it:8080/SebinaOpac/Opac

The Italian Women’s Digital Library
http://www.bibliotecadigitaledelledonne.it/