Gyankosh X Vol 1, No 2, Jul-Dec, 2010 21 Introduction A Law Library is an organized collection and information sources to meet the needs of the legal profession and legal information needs of the legal public. Examples of law library are libraries found in court houses, Ministry of Justices, law firms or chambers, Faculties of law etc. Law library is crucial to legal practice and administration of justice because law is a specialized and very technical discipline. Hence, a law library is to legal practitioners, and judicial officers what instruments are to technologist, and apparatus to scientists. In order to accomplish these roles, the library performs the traditional functions of collection development, organization, retrieval and dissemination of legal and related information sources. Two issues are crucial to the efficiency of law libraries. These issues are collection development, and organization of the collection. Collection development involves selection and acquisition of information sources which translate into collections of a library. Collections of law libraries are the bedrocks of all the services they can offer and determinant of the extent to which such services can be provided. These collections can be categorized into three, primary sources, secondary sources, and finding tools or tertiary sources. Primary sources are the information sources containing law, they are books of law rather than books on law. Examples are Constitutions, Laws, Acts, Decrees, Edicts, Gazettes, Law reports i.e courts and appellate court decisions, regulations and ruling of administrative agencies. Secondary sources are information sources about law which are not themselves sources of legal authority. They vary widely in quality, form and authority. Although they O. I. AMUSA, Olabisi Onabanjo University, Nigeria. A. O. IYORO, Olabisi Onabanjo University, Nigeria. APPRAISAL OF CLASSIFICATION SCHEMES AND THEIR EFFECTIVENESS IN ORGANIZING LAW COLLECTIONS IN NIGERIAN LAW FACULTIES Abstract Law is a discipline that relies heavily on Library Services. This reliance has made law libraries indispensable to the provision of effective and efficient legal services and studies. An efficient and responsive law library services is achievable through well organized collections of legal information sources This discourse focus on Classification Schemes and their respective suitability for organizing Law Collections in Nigerian Law Faculties. Three schemes, Dewey Decimal Classification (DDC), Library of Congress (LC) and Elizabeth Moys (Moys) were examined and appraised in relation to law collections. This discourse concludes by offering the benefits of Classification to Law Collections. Keywords: Classification Schemes, Law Collection, Law Faculties Gyankosh: The Journal of Lib. & Info. Management Vol.1 No. 2 Jul-Dec, 2010