Philosofy 
100 Philosofy in general 
Works limited to none of the ¢ divisions 
Utility 
Compends, outlines 
Dictionaries Cyclopedias 
Essays, lectures, addresses 
Periodicals Philosofic magazines 
Societies: transactions, etc. 
107 Study and teaching of philosofy 
108 Polygrafy, extracts, maxims, etc. 
109 | History of philosofy 
110 Metaphysics 
III Ontology 
Nature of being Substance and form 
112 Methodology | 
Philosofie classification of knowledge Terminology For book classification 
113 Cosmology 
Philosofic theories and discussion; for philosofy of mathematic processes 
see 510.1 
114 
I1§ 
I16 
117 
118 
11Q 
Space 
Time 
Motion 
Matter 
Force 
Quantity Number