1 “... collect the main part of his intellectual elaboration from the 1960s to the beginning of the 21st century...”

2 “... collect the main part of his intellectual elaboration from the 1960s to the beginning of the 21st century...”

3 “... collect the main part of his intellectual elaboration from the 1960s to the beginning of the 21st century...”

4 “... collect the main part of his intellectual elaboration from the 1960s to the beginning of the 21st century...”