Here is a collection of posts, articles and sources on legendary singer-actress Madam Noor Jehan.
Movie songs (videos):
Some sites on Madam:
Some of her movies available online:
Zeenat (1945) with Yaqub and Suraiya Chowdhri
Mirza Sahiban (1947) with Trilok Kapoor and Gope
Jugnu (1947) with then rising star Dilip Kumar and Ghulam Mohammed
Chan We (1951), her first Pakistani movie, with Jahangir and Santosh Kumar
Dupatta (1952) with Ajay Kumar and Sudhir
Patay Khan (1955) with Aslam Pervez, Zareef and also playback singer Zubaida Khanum
Intezar (1956) with double-role of Santosh Kumar
Anarkali (1958) with Sudhir and Ragni
Neend (1959) with Aslam Pervez and Neelo
Koel (1959) with Aslam Pervez, Neelo and Nazar
If there are any more movies available online please let me know by commenting.