Encyclopaedia Britanica macropaedia; knowledge in depth.. (London Helen Hemingway Benton, 1976)
Contents:-v Aalto to Arithmetic.-v2. Arizona to Bolivar.-v3. Bolivia to cervantes.-v4. Cylon to Congreve.-v5. Conifer to Ear diseases.-v.6. Earth to Evergtades.-v7. Evidence to Georgion.