Whose presidential library is located in Ann Arbor, Michigan?

Whose presidential library is located in Austin, Texas? Whose presidential library is located in Atlanta, Georgia? Whose presidential library is located in Boston, Massachusetts? Whose presidential library is located in West Branch, Iowa? What is the two-letter postal abbreviation for Alabama? Which state uses the postal abbreviation "AL"? Montgomery is the capital of which state? In what year was Alabama admitted to the Union as a state?