LearningExpressAccess this database with your New York Public Library Card. Lots of information and practice tests for many areas of local, state and federal law enforcement.
NYC Civil Service Exam ScheduleVisit this site for a list of upcoming civil service exams, test requirements and application procedures specific to each type of exam.
Testing & Education Reference CenterThis terrific database contains a very inclusive and comprehensive set of exams as well as the fulltext of the most current "Master the...Exams" books (e.g. "Master the Police Officer Exam"). Database is accessible through the Sealy library but individual registration is required to access and take practice exams.less...Law Enforcement Practice Exams and Guides:•Border Patrol•Corrections Officer•Court Officer•Parole Officer•Police Officer•Police Promotion•Probation Officer•State TrooperNB: The database also includes the Firefighter exam and guide.
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McGraw-Hill's police officer exams by 
Police officer exam -4th Edition by 
Police officer, New York Police Dept. (NYPD) : test preparation study guide : questions & answers. by