Title: Classification
Subjects: Classification, Books, Library of Congress Classification, Law, Music, Medicine, German literature, History, English literature, Bibliography, Numismatics, Russian literature, Children's literature, Methodology, Archives, Heraldry, Literature, Modern Languages, Diplomatics, Philosophy, Modern Greek literature, Medieval and modern Latin literature, Byzantine literature, Inscriptions, Genealogy, Modern Philology, Science, Book classification, Archaeology, Education, American literature, Chronology, Military science, Biography, Europe, Representacao Tematica (Classificacao), Military art and science, Classification, books, literature, German literature, bibliography, Classification, library of congress
Places: Europe, Australia, West Indies, New Zealand, America, Africa, Latin America
Time periods: World War, 1914-1918