Use dictionaries and encyclopedias to get an overview of your topic, to define terms, and to identify key words and concepts related to your research topic:
Encyclopedia of Social Network Analysis and Mining by 
Encyclopedia of Measurement and Statistics by 
Encyclopedia of Survey Research Methods by 
The SAGE Encyclopedia of Qualitative Research Methods by Use any of the three databases below to search hundreds of encyclopedias, dictionaries, and handbooks all at the same time!
