Some of the articles are written in Chinese, you can ignore it, the essence have already been written down in these English articles.
schareng.pdf is the book "Sex and Character" written by Otto Weininger.
You can read philosophers' opinion in GENIUS FORUM: http://pub86.ezboard.com/fgeniusnewsfrm2
You can view these notes in html at: http://enlightenment.yeah.net