The Library has a large collection of encyclopedias, atlases, and other specialized reference books, in the Reference Collection on the 2nd floor. Following are a few examples:
DSM-IV Ref RC455.2 .C4 D54 1994
DSM-5 REF RC455.2.C4 D536 2013 (2nd copy in the General Collection, and available online)
Encyclopedia of Alzheimer's Disease (available online)
Encyclopedia of Cognitive Science Ref BF311 .E53 2003
Encyclopedia of Counseling Ref BF636.54 .E53 2008
Encyclopedia of Mental Health Ref RC437 .K34 2008
Encyclopedia of Phobias, Fears, and Anxieties Ref RC535 .D63 2001
Freud Encyclopedia Ref BF173 .F6176 2002
Gale Encyclopedia of Psychology Ref BF31 .G35 1996
Handbook of Child Psychology Ref BF721 .H242 1998
Magill's Encyclopedia of Pscyhology Ref BF31 .M33 2003
Mental Measurements Yearbook Ref BF176 .M46
Steven's Handbook of Experimental Psychology Ref BF181 .H336 2002