Title: Treaty.
Question: Which article of the Vienna Convention on the Law of Treaties provides that there is a presumption that treaties cannot be unilaterally denounced?

Title: Hyderabad.
Question: The Mir Osman Ali Khan had a title, what was it?

Title: Gramophone record.
Question: Were drums heard on early jazz recordings?

Title: Education.
Question:
In universities where are the departments of educational psychology normally held?