Sahih:Abu Dawud:2085 (en en2)
 There is no marriage without the permission of a guardian Tutor and dowry (7)
Sahih:Abu Dawud:2083 (en en2)
 The marriage of a woman who marries without the consent of her guardians is void Tutor and dowry (7) Consent (6)
Sahih:Al Bukhari:5124 (en en2)
 Her guardian should not make a promise (to somebody to get her married to him) without her knowledge Tutor and dowry (7)
Sahih:Al Bukhari:5132 (en en2)
 Knowing Quran by heart is a sufficient dowry to marry a woman Tutor and dowry (7)
Sahih:Al Bukhari:5121 (en en2)
 You don't even have an iron ring to give, but you can marry her for what you know of the Quran Tutor and dowry (7)