Two generations

3-5

Beyond the enlightenment

Comte and the new problem of social science

6-28

Mill and "the ascent to causes"

29-59

Quetelet

rates and their explanation

60-91

The interregnum

92-104

Realism, teleology, and action

107-123

Collective forces, causation, and probability

124-143

Durkheim's individual

144-160

Objective possibility and adequate cause

163-179

Rationality and action

180-197

Large-scale explanations

aggregation and interpretation

198-218

The end of the ascent

219-227