For basic concepts, consult these resources:

• A to Z of feminism
  HQ1115 .B65 2006
• Encyclopedia of gender and society
• Encyclopedia of women and gender : sex similarities and differences and the impact of society on gender
  HQ1115 .E55 2001 [2v.]
• Encyclopedia of women & Islamic cultures
• Feminism : a beginner's guide
  HQ1150 .S36 2010
• The Routledge companion to feminism and postfeminism
• Routledge international encyclopedia of women

Other reference materials can be found in the section entitled Bibliographies, Biographies, Dictionaries, Encyclopedias, and Indexes.

Disciplinary

• Gender Studies Database
  all aspects of Women's and Gender Studies; start with this database first!
• Sociological Abstracts
  Sociology deals with social issues at the intersection of gender and other social indicators, such as race, ethnicity, socioeconomic status.
• Studies on Women and Gender Abstracts
• Black Women Writers
• Gender & Work Database
• Women in Politics
• Women Writers Project

General Social Sciences

Consider for the intersection of women/females/girls and other social sciences, such as Anthropology or Psychology

• Scopus
• Social Sciences Citation Index (a part of Web of Science)

At Web of Science, you can search all subfiles at Web of Science, or select the Social Sciences Citation Index (SSCI) specifically, to reduce the number of non-social-science results.  To select SSCI on the search page, click on MORE SETTINGS, then uncheck all boxes except:

Social Sciences Citation Index (SSCI) --1956-present

Other

Also remember to search databases from other disciplines for women/girl/feminist issues within those disciplines.  

1. Select suggested databases from the "databases" section of a subject guide for the discipline.
2. Select from a list of databases that have been tagged as having content relevant to that discipline.

For example:

• America, History and Life and Historical Abstracts
  women/girls in history
• Bibliography of Native North Americans
  indigenous women/girls in North America
• CINAHL Database
  women/girls and health
• PsycINFO
  women/girls and psychology

Also consider noncommercial databases compiled by scholars, such as

• Intersectional Research Database

Bibliographies and guides to the literature

• African American women : an annotated bibliography
  E185.86 BIBL .T48
• American Indian women : a guide to research
  STF E98.W8 BIBL B36
• American women's magazines : an annotated historical guide
  STF PN4879 BIBL .H8
• Arab women writers : a critical reference guide, 1873-1999
  PJ7525.2 .D413 2008
• Feminist collections: A quarterly of women’s studies resources
  SER Z675.W57F46 [also online]
• Feminist periodicals : a current listing of contents
• Feminist periodicals, 1855-1984 : an annotated critical bibliography of British, Irish, Commonwealth, and international titles
  STF HQ1154 BIBL .D68
• Inscribing South Asian Muslim women : an annotated bibliography & research guide
• New books on women and feminism
  SER HQ1101 N4
  • continued by New books on Women, Gender, & Feminism (SER HQ1101 .N42)
• Resources for feminist research
• Women and cyberspace : gender issues : a bibliography
  QA76.9.W65 N67
• Women's movement media : a source guide
  HQ1410 BIBL .H373
• The Women's review of books
• Women's studies : a guide to information sources
  HQ1115 BIBL .C37
• The women's suffrage movement : a reference guide, 1866-1928
• The Blackwell guide to feminist philosophy
  HQ1190 .B575 2007
• Information sources in women's studies and feminism
  HQ1180 .I54 2002
• The Routledge critical dictionary of feminism and postfeminism
  HQ1115.R68
• Women in music : a research and information guide
  ML128.W7 P46 2010
• Women's studies : a recommended bibliography
  HQ1180 .K753 2004

To find other bibliographies, consult the Books tab.  Also construct a SUBJECT HEADING search in the catalogue by adding --Bibliography to any valid subject heading.  For instance:

• Feminism -- Bibliography
• Women -- Bibliography

Biographies

Try a "fielded keyword search" in the catalogue, looking for "biography" in the subject headings.  Prefix the keywords with s: to indicate that the field should be found in the subject headings (for other fielded keyword searches, consult the help in the catalogue).  Add to the search your other desired criteria.  For instance, s:biography AND s:women AND (dictionar* or encyclop*)

Dictionaries

• Chatelaine presents who's who of Canadian women
  SER FC26.W6W482
• Feminist philosophies A-Z
  HQ1190 .M386 2007
• Historical dictionary of feminism
  HQ1115 .B65 2004
• Historical dictionary of feminist philosophy
  HQ1190 .G36 2006 [also online]
• The new A to Z of women's health
  RA778 .A494 2009
• Women who ruled
  D107.J33

Encyclopedias

• Encyclopedia of activism and social justice
• Encyclopedia of feminism
  HQ1115.T87
• Encyclopedia of feminist theories
• Encyclopedia of gender and society
• Encyclopedia of sex and gender : men and women in the world's cultures
• Encyclopedia of women and gender : sex similarities and differences and the impact of society on gender
  HQ1115 .E55 2001 [2v.]
• Encyclopedia of women and religion in North America
  BL458 .E527 2006 [3v.]
• Encyclopedia of women social reformers
  HQ1236 .R29 2001 [2v.]
• Encyclopedia of women's associations worldwide
  HQ1883.E53
• Encyclopedia of women's folklore and folklife
  GR470 .E63 2009 [2v.]
• Encyclopedia of women's health
  Floor 1 RA778 .E5825 2004 [in-library use only; also online]
• Girl culture : an encyclopedia
• International encyclopedia of the social and behavioral sciences
• The Oxford encyclopedia of women in world history
• Routledge international encyclopedia of women : global women's issues and knowledge
  HQ1115.R69 [4v.]
• Women and equality in the workplace : a reference handbook
  HD6095 .G48 2003 
• Women and music in America since 1900 : an encyclopedia
  ML82 .W625 2002 [2v.]
• Women in world history : a biographical encyclopedia
  HQ1115 .W6 [17v.]
• The women's movement today : an encyclopedia of third-wave feminism
  HQ1115 .W644 2006 [2v.]
• Women's studies encyclopedia
  HQ1115.W645 1999 [3v.]

Indexes and Abstracts

• Anthologies by and about women : an analytical index
  HQ1111.C35
• Canadian feminist periodical index, 1972-1985
  STF HQ1453.C35 1991
• An index to women's studies anthologies : research across the disciplines, 1980-1984
  HQ1180.B76
• An index to women's studies anthologies : research across the disciplines, 1985-1989
  HQ1180.B762

Also consult relevant index and abstract databases, such as:

• Gender Studies Database
• PsycINFO
• Social Sciences Full Text
• Sociological Abstracts
• Studies on Women and Gender Abstracts
• Women in Politics

Government information

Search the Canadian Public Policy Collection for ebooks of government reports.

• Eating disorders among girls and women in Canada : report of the Standing Committee on the Status of Women
• Gender differences in police-reported violent crime in Canada, 2008
• The gender dimension of non-medical use of prescription drugs in Europe and the Mediterranean region
  ZZ CE 2015.G22 .ENG
• Making family child care work : strategies for improving the working conditions of family childcare providers
• No wrong door : creating a collaborative rural response for women with abuse, mental health and addictions issues : final report
• POWER, Project for an Ontario Women's Health Evidence-based Report : Ontario women's health equity report : improving health and promoting health equity in Ontario. (Volume 1)
• A profile of women in segregation
• A profile of women working in Ontario's music industry : final report 
• Report on Status of Women Canada's on-line consulation on gender equality
• Staying out : women's perceptions of challenges and protective factors in community reintegration
• Why are most university students women? evidence based on academic performance, study habits and parental influences
  DDR CA1 BS2 2007.S03 .ENG
• Why are women working so much more in Canada? : an international perspective
• Women in parliament : beyond numbers
• Women in trades : discussion paper

Government Information Databases

• UNData

Maps and Atlases

• Atlas of gender and development : how social norms affect gender equality in non-OECD countries
  DDV ZZ ECD300 2010.A73 .ENG  [also online]
• The Penguin atlas of women in the world
  MPA G1046.E1 S42 2009
• Women and heart disease : an atlas of racial and ethnic disparities in mortality
  MPA G1201.E51 W6 2000
• Women in politics 2005
  MPL G3201.E1 2005 .I5

Statistical Data

Try a fielded keyword search in the Library catalogue, looking for women and statistics in subject headings: s:women and s:statistics

• 2011 employment equity data report
• Aboriginal women : a profile from the 2001 census
• The best and worst places to be a woman in Canada 2015 : the gender gap in Canada's 25 biggest cities 
• Finding data on women : a guide to major sources at Statistics Canada
• Francophone women in Ontario : statistical profile
  CA2ON FL 99.F68 .EXF
• Labour market participation of immigrant and Canadian-born wives, 2006 to 2014
• Long-run inequality and annual instability of men's and women's earnings in Canada
• Quotas for women in politics : gender and candidate selection reform worldwide
  HQ1236 .K76 2009
• Strength in numbers : a ten-year trend analysis of women's shelters in Alberta
• Women in Canada : a gender-based statistical report
• Women in scientific occupations in Canada

Reports

• The World's Women Reports (United Nations Statistics)

International Organizations

• Democracy through Partnership between Men and Women in Politics (Inter-Parliamentary Union)
• International Centre for Human Rights and Democratic Development
  • ceased 2012; information available via Internet Archive
• International Development Research Centre
  • provides funding to development of policy in areas of human rights, including gender
• UN Women and UN WomenWatch
• Women's Empowerment (United Nations Development Program)

Related

• Women and politics in the Third World
• The WomanStats Project