3 Million Time-synchronic Comments Dataset:
https://github.com/wenjingni/Time-synchronic-comments-analysis
Project Gutenberg Protagonist Based Dataset (including time-series data for 300 protagonists from 261 books)
(Please request by email)
Mai 68 French Maoist Movement newspaper collections (including 216 French news reports published from 1963-1979)
(Please request by email)