DECIMAL CLASSIFICATION 
Exceptionals ~~ Precocity 
Backward children 
Dependents 
Homeless children, a public charge, lacking ideas and associations of 
children in families 
769 Other abnormal classes 
7 Boys The ‘gang’ The boy problem 
775 Girl problem 
79 Childhood Divided like 930-999 
791 The child among uncivilized and semicivilized peoples 
137 Personality 
Temperaments, idiosyncrasy 
138 Physiognomy _ 
Expression of mentality thru the body 
139 Phrenology Mental photografs, etc. 
140 Philosofic systems | 
The heds r40-149.9 are for the discussion of the systems as such. The philos 
sofic works of authors of these various schools are clast under igo, not here, 
From these heds refer in the catalogs to authors clearly falling under them, 
without attempting to label each writer as an exponent of some one system 
Idealism Transcendentalism 
e. g. Plato, see 184.1, 888.4; Berkeley, see 192.3; Fichte, see 193.3; Emerson, 
see 101.3, 814.36 ’ 
Critical philosofy 
e. g. Kant, see 193.2 
Intuitionalism | 
e. g. Reid, see 192.5; McCosh, see 191.5. See also 156 Intuitiv faculty; 
175.2 Ethics. 
Empiricism 
e. g. Descartes, see 194.1; Bacon, see 193.1 
Sensationalism 
e. g. Locke, see 192.2 ] 
Materialism Positivism 
e. g. Hobbes; Comte, see 194.8 See also 149.2 Realism 
Pantheism © Monism 
e. g. Spinoza See 212 Natural theology 
Eclecticism 
e.g. Cousin, see 104.7 
Other philosofic systems 
See 211 Rationalism, skepticism; 214 Fatalism 
Nominalism 
Realism See 146 Materialism 
Mysticism See 273.2 Heresies; 189.5 Medieval philosofy 
Associationalism . 
Optimism Meliorism 
Pessimism 
e. g. Schopenhauer, see 193.7 See also 216 Evil; 233 Doctrin of man 
Agnosticism 
See 273.8 Agnostic heresy 
Nihilism 
Other svstems 
>