History UDC:(9):
General history. History of world culture. History of Ancient world. History of Ancient East. History of Ancient Egypt. Ancient History. History of Europe. History of the Middle Ages (375-1492). Modern History (1492-1914). Contemporary History (1917-1945). The Second World War (1939-1945). Post-war Europe. History of East. History of the USA. History of Latin America.

History of Latvia UDC:(9(L)):
History of Latvia. Ancient History of Latvia. Latvia in the capitalist era. Latvia in the USSR. (1940-1990). Restoration of the Republic of Latvia.

History of Russia UDC:(9(K)):
History of Russia. History of Ancient Russia. Feudalism in Russia. Reforms of Peter the Great. Patriotic War of 1812. Decembrists in Russia. Capitalism in Russia. Russia during the First World War. Patriotic War. (1914-1920). Russian Federation (1991 - ...). History of Moscow.

Philosophy UDC:(10):
History of philosophy. Ancient philosophy. Eastern philosophy. European philosophy. Medieval philosophy. French philosophy. Italian philosophy. Russian philosophy. German philosophy. Philosophy. The nature and significance. Lives of prominent philosophers. Dialectic of cognition. Categories of the philosophy. The philosophy of the spiritual life and social consciousness. Philosophical doctrines and concepts.

Psychology UDC:(15):
Psychology. General questions. Professional Training of a psichologist. Experimental Psychology. Dictionaries of the psychology. Zoopsychology. History of psychology. Health psychology. Valeology. Sport Psychology. Psychological research. Methods. Famous psychologists. Tests on psychology. Technologies of training. Psychology of development. Psychology of thinking. Cognitive psychology. Psychology of the unconscious. Psychology of personality. Motivation of behavior. Psychology of self-development. Labor psychology and engineering psychology. Psychology. Profession. Careers. Psychology of Labor and Human activity. Psychology of communication. Psychology of influence. Child Psychology. Psychology of preschool child. Psychology of schoolchild. Family Psychology. Gender Psychology. Sensory processes: feelings, perceptions, and impressions. Psychomotor functions. Emotions. Instincts. Psychology of aggression. Psychology of conflict. Psychology of stress. Higher mental processes: attention, imagination, memory, fantasy. Psycholinguistics. Psychoanalysis. Schools and systems. Clinical Psychology. The quality of mental states and processes. Pathological psychology. Parapsychology. Psychosomatics. Psychosomatic disorders and it therapy. Hypnosis. Professional (legal) Psychology. Sociology. Social work. Social management. Social psychology. Education. Pedagogy. Developing training. Educational psychology. General Biology. Human anatomy and physiology. Psychophysiology. Psychotherapy. Neuropsychology. Psychodiagnostics. Psychiatry. Mental disorders. Addictology. Addictions. Addiction therapy.

Social workUDK:301(D):
Social work Social work theory Social work policy Research methods in social work Methods and technology of social work Social work with children and young people Social work at school Social work with a family Social work with old people Social work with people with special needs Social rehabilitation, socialization History of social work Psychology of social work Ethics and professionalism of social work

Logic UDC:(16):
Logic. The theory of cognition. Scientific methodology.

Ethics UDC:(17):
Ethics. History of ethics. Morality. Ethics of family relationships. Professional, business ethics.

Aesthetics UDC:(18):
Aesthetics. History of aesthetics. Categories of aesthetics.

Religion UDC:(20):
General questions of religion. Freethinking. Atheism. The Bible. The history of Christianity and the Christian church. Non-Christian religions. New Testament. Orthodox Church. The Roman Catholic Church. Protestantism.

Public knowledge: theory and methods. UDC:(30):
Public knowledge: theory and methods. Sociology. Society, as a subject of social studies. Social work. Ethnology. Social management. Public Relations. Imageology. Sociology of mass communications. Social Psychology. Sociological researches. Sociology of personality. Statistics. Demography. Theory of statistics. Methods. Social statistics. Policy. Political science. International relations. Clothes. Fashion. Folk costume. Etiquette.

Economy UDC:(33):
Economic theory. The structure of the industry markets. Macroeconomics. Microeconomics. History of economic doctrines. History of economic doctrines in Russia. General issues of economic development of the national household. Mathematics for economists. Mathematical methods in Economics. Logistics. Economy of household. Investment activities. Work. Economy of labor. Personel development technologies. Business games. Human resource management. Work organization. Personnel management. Psychology of personnel management. Psychological technologies in personel management. Leader in an organization. Regional economics. Household enterprises and associations. State finances. Budget. Principles of taxation. Taxes. Financial management. Business finance. Financial instruments. Banking. Monetary systems. Money. Financial markets. Foreign Exchange Markets. Exchange (organized market). Credit. Leasing. Stock market. Theory of management Production management Industrial management Management consulting Corporate governance History of management Franchising. Innovation management Crisis management. Management. Textbooks. Psychology of management. Risk - management. Strategic management. Organizational behaviour. Organization theory Technologies of management of the organization Business administration. Enterprise. Business planning. Project management. Manufacturing. Pricing. Economical geography. Product quality. Trade. Marketing. Branding. Marketing services. Foreign trade. Customs. Export. International finance. International economics. Foreign economics. Economic globalization. Competition. EU Economic policy. International economic organizations. International economic relations. Foreign economic activities. Economic integration. EU – Latvia economic relations. Geography. Travel guides. Travel guides about Latvia. Insurance. Clerical work. Accounting. Theory. Basis. International financial reporting. International financial reporting standards. Documents, that regulate accounting activity in Latvia. Accounting. Workshops. Financial accounting. Management accounting. Types of financial control. Audit. Inventory. Financial analysis. Theory. Analysis of financial condition of an organisation. Business activity of an organisation. Business value. Advertising. Computer engineering. Information technologies. Computer graphics.

Tourism economy. General issues. UDC:(338.48):
Tourism management. Tourism Tourism economy. Tourism business. Tourist transportation. International tourism. Tourism geography. Tourism Marketing. Hospitality. Hotel.Restaurant. A tourist product. Tourism technologies. Organization of the event. Types of tourism. Territory marketing un management. Tourism destination.

Law (Jurisprudence) UDC:(34):
Administrative law Air law Canon law Civil law Civil law. Codes Civil procedural law Commercial law. Trade law. International commercial and trade law Comparative law Constitutional law Constitutional law of European states Constitutional law of Latvia Contract law Copyright Crime.Types of crime Criminal investigation. Investigative and operational actions Criminal law Criminal law codes Criminal process Criminal process.Codes Criminalistics Criminology Deviantology Diplomatic law Economic rights Environmental law European law Family law Famous lawyers Financial right. Tax law Fine. Execution of fine Foreign criminal law. Comperative criminal law. Forensic examination Forensic medicine Fundamentals of law History of law History of law of Latvia Housing law Human rights Information law Inheritance law International law International Public Law Interpol (International Criminal Police Organization) Judical system Jurisprudence. Dictionaries Jurisprudence. Scientific works Labour law Land law Legal entities. Types of legal entities Legal psihology. Forensic psychology. Criminal psychology Maritime law Mediation Municipal law Notary Philosophy of law Prevention of juvenile devinquency Private international law Problems of theory and law Proof theory Proprietary rights. Property Prosecutors Protection of the environment Roman law Socially-legal relationships State administration State crimes.Corruption.Terrorism State legal sistems The law enforcement agencies. Police Theory of State and Law Theory of State and Law. Legal doctrine. Theory of State and Law. State doctrine.

Art UDC:(70):
Art. General history of art. The history of Russian art. The history of Latvian art. Management of the art. Architecture. Styling and designing. Landscape architecture. Russian architecture. Latvian architecture. Sculpture. Russian sculpture. Latvian sculpture. Arts and crafts. Environmental design. Arts and crafts of Latvia. Drawing. Prospect. Designing. Interior. The color and the light in the interior. Painting. Foreign panting. Russian painting. Latvian painting. Drawing. Applied graphics. Font. Trademark. Logo. Digital photography. Cinematography. Music. Foreign music. Russian music. Theater. Theater studies. History of the theater. Russian theater. History of the Russian theater. Figures of the Russian theater. Actors of foreign theater. Foreign theater. Drama theater. Musical theater. Ballet. Other kinds of theater.

Linguistics UDC:(80):
Linguistics Latvian language Latvian dictionaries English language English dictionaries French language French dictionaries Russian language Russian vocabulary. The culture of speech The style of the Russian language Russian dictionary History of the Russian language Latin language Latin dictionaries Theory of translation German language German dictionaries Swedish language Swedish dictionaries Mythology. Folklore