"Catalogizing Library Collections" is an important book written by the famous librarian John Henry Quinn. In this work, the author reveals the main principles and methods of cataloging book collections. The book explains in detail how to properly create book catalogs so that readers can easily find the literature they need. With the help of this book, readers will gain important knowledge about librarianship and document science, which will be useful for both students and library workers. "Library Cataloguing" is an integral part of professional literature in the field of library science.