Classification
001 - Knowledge
4
004 - Data processing & computer science
2
006 - Special computer methods
1
015 - Bibliographies of works from specific places
1
016 - Bibliographies of works on specific subjects
24
018 - Catalogs arranged by author, date, etc.
2
020 - Library & information sciences
2
025 - Library operations
11
026 - Libraries for specific subjects
1
027 - General libraries
4
028 - Reading & use of other information media
3
055 - Serials in Italian, Romanian & related languages
4
065 - Organizations in Italy & adjacent islands
1
069 - Museum science
5
070 - News media, journalism & publishing
11
085 - Collections in Italian, Romanian & related languages
1
091 - Manuscripts
2
100 - Philosophy & psychology
2
105 - Serial publications
2
107 - Education, research & related topics
1
109 - Historical & collected persons treatment
2
110 - Metaphysics
4
111 - Ontology
15
113 - Cosmology
3
115 - Time
4
121 - Epistemology
10
128 - Humankind
7
133 - Specific topics in parapsychology & occultism
2
138 - Physiognomy
1
141 - Idealism & related systems
1
142 - Critical philosophy
2
146 - Naturalism & related systems
4
149 - Other philosophical systems
2
150 - Psychology
9
152 - Perception, movement, emotions & drives
2
153 - Mental processes & intelligence
4
154 - Subconscious & altered states
1
155 - Differential & developmental psychology
9
158 - Applied psychology
3
160 - Logic
3
170 - Ethics
7
172 - Political ethics
1
174 - Occupational ethics
4
176 - Ethics of sex & reproduction
1
177 - Ethics of social relations
1
179 - Other ethical norms
3
182 - Pre-Socratic Greek philosophies
1
184 - Platonic philosophy
1
190 - Modern western philosophy
1
191 - Philosophy of United States & Canada
1
more ...