Is inequality largely the result of the Industrial Revolution? Or, were pre-industrial incomes and life expectancies as unequal as they are today? For want of
V. Vratović. Povijest svjetske književnosti : u osam knjiga. Knj. 2, Grčka (antička), rimska, bizantska, srednjovjekovna latinska, novovjekovna latinska, novogrčka i albanska književnost, Mladost, Zagreb, (1977)