Title: Britannica book of the year.  1938-   .
Subjects: Modern History, Wereldgeschiedenis, Encyclopédies et dictionnaires anglais, Yearbooks, Histoire, Periodicals, Répertoires, Enciclopedias Estrangeiras, Encyclopedias and dictionaries, Encyclopedias, Enciclopedias (Gerais), Encyclopaedia Britannica (encyclopedie)