Books are shelved in general subject categories using the Library of Congress classification system. You may want to supplement your use of the catalog with browsing shelf areas for your topic. Below is a brief listing of some of the subject locations in the field of communication studies.
APA Handbook of Intercultural Communication. American Psychological Association, 2010. (HM1211 .A65 2010)
Handbook of Communication and Aging Research. L. Erlbaum Associates, 2004. (HQ1061 .H3365 2004)
Routledge Handbook of Language and Intercultural Communication. Routledge, 2012. (P94.6 .R68 2012)
SAGE Handbook of Conflict Communication. SAGE Publications, 2013. (In process)
SAGE Handbook of Gender and Communication. SAGE Publications, 2006. (P96.S48 S34 2006)
SAGE Handbook of Family Communication. SAGE Publications, 2015. (HQ734 .S24 2015)
SAGE Handbook of Interpersonal Communication. SAGE Publications, 2011. (BF637 .C45 I645 2011)