Secondary and Primary - Primary resources are the original resources, the resources with information. Secondary resources contain information about or leading to the primary resources. A novel would be a primary resource and a bibliography that listed novels would be a secondary resource. Serial - Serial publications are ongoing publications that come out periodically, such as newspapers, magazines, or journals. Also called a periodical.
Statistical resources contain numerical data, tables, charts, or graphs.
User - A patron or user is anyone who uses your library, the library services, or any of the library resources. Validity - Validity is the quality or reliability of a resource. Yearbook - Yearbooks are annual publications that pertain to the happenings of one specific year. A yearbook may be general, about all the happenings of one year, and is often published to supplement a general encyclopedia. Many professions also publish yearbooks with information about events, statistics, and people connected with the profession.