Class K, subclasses KK-KKC : law of Germany
Class P, subclasses PB-PH : modern European languages
Class K, subclass K : law (general)
Class U : military science
Class P, subclass PQ, part 1 : French literature
Class H, subclasses HM-HX : social sciences : sociology
Class N : fine arts
Class P, subclasses P-PA : philology, linguistics, classical philology, classical literature
Class K, subclasses KDZ, KG-KH : law of the Americas, Latin America, and the West Indies
Class P, subclass PQ, part 2 : Italian, Spanish, and Portuguese literature
Class K, subclasses KJV-KJW : law of France
Class R : medicine
Class K, subclass KE : law of Canada
Class P, subclass PA supplement : Byzantine and modern Greek literature, medieval and modern Latin literature
Class E-F : history : America
Class D, subclasses DJK-DK : history of Eastern Europe (general), Soviet Union, Poland
Class P, subclasses P-PM supplement : index to languages and dialects
Class S : agriculture
Class P, subclass PG (in part) : Russian literature
Class J : political science
Class C : auxiliary sciences of history
Class H, subclasses H-HJ : social sciences : economics
Class L : education
Class V : naval science
Class P, subclasses PL-PM : languages of eastern Asia, Africa, Oceania; Hyperborean, Indian, and artificial languages
Class G : geography, maps, anthropology, recreation
Class Z : bibliography and library science
Class B, subclasses BL, BM, BP, BQ : religion : religions, Hinduism, Judaism, Islam, Buddhism
Class M : music and books on music
Class K, subclass KF : law of the United States
Class B, subclass BX : religion : Christian denominations
Class P, subclasses PJ-PK : Oriental philology and literature, Indo-Iranian philology and literature
Class B, subclasses BR-BV : religion : Christianity, Bible
Class D : history : general and Old World
Class P, subclasses P-PZ : language and literature tables
Class T : technology
Class A : general works
Class K, subclass KD : law of the United Kingdom and Ireland
Class Q : science
Class D, subclass DS : history of Asia
Class P, subclass PT, part 2 : Dutch and Scandinavian literature
Class P, subclasses PN, PR, PS, PZ : literature (general), English and American literature, fiction in English, juvenile belles lettres