This volume serves as the definitive navigational tool and supplementary data repository for the nine-volume Oxford Illustrated Encyclopedia series. Edited by Harry George Judge, the work provides a structured framework for accessing the vast information contained within the preceding volumes. It functions as both a comprehensive index and a standalone reference for specific mythological and statistical data points.

Experts and librarians frequently cite this volume as a foundational component for navigating the broader encyclopedia set effectively. The text is noted for its clear, utilitarian organization and its utility as a quick-reference guide for researchers.