Cette bibliographie commentee touche tous les domaines du savoir humain, soit de l'Art a la Zoologie;elle signale les ouvrages les plus importants soit des bibliographies, des index, des encyclopedies, des dictionnaires, des guides, des revues etc dont le support ed'information est soit du papier, soit un cd-rom, soit une base de donnees en ligne directe, soit un microforme ect. L'objectif du guide Walford est de devenir La source d'information sur tout type de reference, nonobstant le support technique.

A revised and updated guide to reference material. It contains selective and evaluative entries to guide the enquirer to the best source of reference in each subject area, be it journal article, CD-ROM, on-line database, bibliography, encyclopaedia, monograph or directory. It features full critical annotations and reviewers' comments and comprehensive author-title and subject indexes. The contents include: philosophy and psychology; religion; social sciences, sociology, statistics, politics, economics, labour and employment; land and property, business organizations, finance and banking, and economic surveys; economic policies and controls, trade and commerce, business and management, and law; public administration, social services and welfare, education, customs and traditions; geography; biography; and history.