Title: Alfred North Whitehead.
Question: What was Whitehead's father's profession?

Title: Molotov%E2%80%93Ribbentrop Pact.
Question: In what city did the tripartite military talks occur during the month of August?

Title: Plymouth.
Question: How many listed buildings are present in the Barbican area?

Title: Immaculate Conception.
Question:
What document made the authorization official ?