1.
?if his lyrics mocked religion and homeland, his eloquently sentimentalized Americana often ached for those very ties.? Rolling Stone, October 4, 1979
2.
?The life history of an American will include a minimum of three changes in residence.? In: Family mobility in our dynamic society (Iowa State University Press, Iowa, 1965)
3.
Encyclopaedia Americana
4.
Who’s who in American politics
5.
Oor, 16 januari 1980