Transcriber's Notes:

Typos corrected:
    (Chapter III) "Home Faber" to "Homo Faber"
    (Index entry) "Summum Conum" to "Summum Bonum"

The text is in American-English but the Index seems to be done in British-English.
Below are some words in the Index which are different from the text:

INDEXTEXT
dramatisationdramatization
labourlabor
mediaevalmedieval
GeneralisationsGeneralizations
mechanisationmechanization (2 instances)
organisationorganization (2 instances)
RationalisationRationalization
nomenalnoumenal (2 instances)