The accuracy in data management and presentation is probably the most relevant feature of library catalogs in the vast universe of information avai- lable online. This definition, which is essential in organizing knowledge, requires constant control activity. Authority control is designed to ensure uniqeness and uniformity of access points in the bibliographic database of the shared catalog. In this article, the investigation field is resumed to the development of working methodologies by presenting effective solutions to solving the problems that arise in the process of cataloging, indexing and authority control process in LibUnivCatalog.