100

Philosophy and psychology

150

Psychology

101

Theory of philosophy

151

102

Miscellany of philosophy

152

Perception, movement, emotions, drives

103

Dictionaries of philosophy

153

Mental processes and intelligence

104

154

Subconscious and altered states

105

Serial publications of philosophy

155

Differential and developmental psychology

106

Organizations of philosophy

156

Comparative psychology

107

Education, research in philosophy

157

108

Kinds of persons in philosophy

158

Applied psychology

109

Historical treatment of philosophy

159

110

Metaphysics

160

Logic

111

Ontology

161

Induction

112

162

Deduction

113

Cosmology (Philosophy of nature)

163

114

Space

164

115

Time

165

Fallacies and sources of error

116

Change

166

Syllogisms

117

Structure

167

Hypotheses

118

Force and energy

168

Argument and persuasion

119

Number and quantity

169

Analogy

120

Epistemology, causation, humankind

170

Ethics (Moral philosophy)

121

Epistemology (Theory of knowledge)

171

Systems and doctrines

122

Causation

172

Political ethics

123

Determinism and indeterminism

173

Ethics of family relationships

124

Teleology

174

Economic and professional ethics

125

175

Ethics of recreation and leisure

126

The self

176

Ethics of sex and reproduction

127

The unconscious and the subconscious

177

Ethics of social relations

128

Humankind

178

Ethics of consumption

129

Origin and destiny of individual souls

179

Other ethical norms

130

Paranormal phenomena

180

Ancient, medieval, Oriental philosophy

131

Occult methods for achieving well-being

181

Oriental philosophy

132

182

Pre-Socratic Greek philosophies

133

Parapsychology and occultism

183

Sophistic and Socratic philosophies

134

184

Platonic philosophy

135

Dreams and mysteries

185

Aristotelian philosophy

136

186

Skeptic and Neoplatonic philosophies

137

Divinatory graphology

187

Epicurean philosophy

138

Physiognomy

188

Stoic philosophy

139

Phrenology

189

Medieval Western philosophy

140

Specific philosophical schools

190

Modern Western philosophy

141

Idealism and related systems

191

United States and Canada

142

Critical philosophy

192

British Isles

143

Intuitionism and Bergsonism

193

Germany and Austria

144

Humanism and related systems

194

France

145

Sensationalism

195

Italy

146

Naturalism and related systems

196

Spain and Portugal

147

Pantheism and related systems

197

Soviet Union

148

Liberalism, eclecticism, traditionalism

198

Scandinavia

149

Other philosophical systems

199

Other geographical areas