From Text of Al-Usool Ath-Thalaathah
Read..By Dr. Nasir ibn 'Abdul-Karim al-'Aql - Translation by Ali ibn Mehdi ibn Mutlak al-Timimi
Source:http://www.geocities.com/kkhaan
The following series of articles mention the Major Signs that will occur shortly before the end of the world and the coming of the Day of Judgment. The author begins with mention of the Minor Signs that precede the Major Signs.
Source : http://www.islamreligion.com/articles/613/