100	PHILOSOPHY
101	Theory. Research methods
102	Textbooks. Introductions to philosophy
103	Dictionaries. Reference works
104	Essays
105	Journals. Serial publications
106	Associations. Institutions. Meetings
107	Studies. Educational institutions
108	History of philosophy
108.1	Eastern philosophy
108.2	Ancient philosophy
108.3	Medieval philosophy
108.4	Renaissance and modern philosophy
108.5	Recent philosophy
108.6	Present-day philosophy
108.9	Finland
110	METAPHYSICS
120	PSYCHOLOGY
121	Structure and function of the psyche
121.1	Thought. Intelligence. Imagination
121.2	Emotional and wilful acts
121.4	Psychology of learning
121.5	Psychology of perception
121.9	The unconscious mind
121.91	Sleep and dreams
121.92	The subconscious
121.93	Hypnosis. Suggestion
122	Experimental psychology. Psychometry
123	Schools in psychology
123.3	Behaviourism
123.5	Depth psychology
124	Hereditary psychology
125	Typology. Characterology
126	Differential psychology. Psychology of personality
126.1	Psychology of expression
127	Child and youth psychology
128	Other areas of psychology
128.2	Psychology of religion and life-philosophy
128.3	Social psychology. Cultural psychology
128.32	Psychology of human relations
128.4	Developmental psychology. Psychology of different age-groups
128.5	Psychology of women and men
128.7	Physiological psychology
129	Applied psychology
130	LOGIC
131	Dialectics. Syllogism
135	Symbolic logic. Logistic calculus
140	THEORY OF KNOWLEDGE. EPISTEMOLOGY
148	Theory of knowledge: history and schools
150	THEORY OF SCIENCE. PHILOSOPHY OF SCIENCE
151	Philosophy of science. Methodology
151.1	Philosophy of science
151.2	Methodology
152	Science policy. Sociology of science
159	History of science. History of learning
160	ETHICS. AESTHETICS
162	Ethics. Moral philosophy
166	General aesthetics
170	PHILOSOPHY OF LIFE. PHILOSOPHY OF CULTURE
171	Collections of aphorisms and quotations
172	Philosophy of life
175	Philosophy of culture
180	UPBRINGING. EDUCATION. PEDAGOGY
180.1	Philosophy of upbringing. Educational goals
180.2	Pedagogical psychology
181	Practical pedagogy
181.2	Experimental pedagogy
181.4	Advice on upbringing
181.6	Family upbringing
181.7	Schooling. School psychology
181.8	Educating the exceptionally gifted
181.9	Special education. Special pedagogy. Special schools
181.91	Reading, writing and speech disorders
181.92	The aurally-impaired
181.93	The visually-impaired
181.94	The physically-impaired
181.95	The mentally-impaired
182	Didactics
182.1	Didactics in philosophy and psychology
182.2	Didactics in religions
182.3	Didactics in the social sciences
182.4	Didactics in geography and ethnology
182.5	Didactics in mathematics and the natural sciences
182.6	Didactics in applied sciences
182.7	Didactics in art
182.78	Didactics in music
182.79	Didactics in physical education and sport
182.8	Didactics in language and literature
182.9	Didactics in history
183	School systems
183.1	Historical school types
183.2	Pre-schools
183.4	Comprehensive schools
183.5	Upper-secondary schools. Gymnasiums
183.6	Intermediate education
183.7	Teacher-training colleges
183.8	Special schools. Experimental schools
183.9	School systems in other countries
184	Universities and colleges
184.1	Åbo Akademi (old)
184.2	Helsinki University
184.3	Turku University
184.4	Åbo Akademi (now the Swedish University of Turku)
184.5	Jyväskylä University
184.6	Oulu University
184.7	Tampere University
184.8	Other higher education institutes
184.81	Technical institutes
184.82	Business institutes
184.9	Universities and higher education institutes in other countries
185	Adult education. Open education
185.1	Civic and workers' institutes. Folk high-schools. Folk academies
185.4	Study circles
185.7	Other forms of general education
185.8	Youth-work
187	Career choice
188	Self-development. Self-education
188.1	Maxims
188.4	Self-education. Study methods
189	History of upbringing and pedagogy
190	PARANORMAL PHENOMENA
191	Parapsychology
192	Occultism. Spiritualism. The spirit world
192.1	Astrology. Horoscopes
192.2	Dreams
193	Experiences of death