A review of previous studies can be a good place to begin. These can be easily located by searching for "literature review" or "essay" as a search term. Some databases will also include literature reviews as a document type. Mot scholarly journals articles in the social sciences will begin wiht a review of the relevant literature.
Browsing hte table of contents of a good journal can also help your develop your research topic. In this example, the journal Gender & Society can be found from the Journals A to Z tab. This will link you to either a database or the publisher's webpage where you can review recent issues.
Here are the titles of some of the articles in the August 2012 issue.
Subject encyclopedias, textbooks and recent books can all provide a good place to generate ideas for a research topic. Most of these sources will provide suggested sources to help you get started. Things to look for...
In this example, the book, Reshaping the work-family debate, includes a chapter on the "culture wars as class conflict".