Civil Procedure materials are generally found in the call number range KF 8810 - 9075. Related Subject Headings include:
Administrative procedure -- United States
CALI's Subject Area Index on Civil Procedure covers lessons on numerous topics, including Mastering Federal Question Jurisdiction in Two Steps, Diversity Jurisdiction, and Rule 12 Motion Practice. CALI's Subject Outline allows you to search for terms of art that correspond to topics you are studying to find related CALI Lessons.
Jack H. Friedenthal et al., Civil Procedure. 6th Floor (Reserve & Academic Success) - KF8840 .F72 2005.
Moore's Federal Practice (Lexis). 10th Floor - KF8719 .M784x 1997.
Wright & Miller Federal Practice and Procedure (Westlaw). 10th floor - KF8719.W68 1999+.
Professor Aaron Caplan of Loyola Law School (Los Angeles) created a helpful companion to the FRCP, A Glossary for the Federal Rules of Civil Procedure, available via SSRN (free sign-up required).