Crowder, Richard
No Featherbed to heaven : a biography of Michael Wigglesworth, 1631-1705 / by Richard Crowder
Michigan State University Press, 1962
 Buku Teks
Crowder, Richard
Carl Sandburg/by Richard Crowder
Twayne Publisher, 1964
 Buku Teks
Waldholz, Michael
Curing cancer: The story of the men and women unlocking the secrets of our deadliest Illness/Michael Waldholz.
Simon & Schuster , 1997
 Buku Teks
Nigeria's flow of funds 1970-1978 / Central Bank of Nigeria
Central Bank of Nigeria, 1983
 Buku Teks
Lewis, William Arthur, 1915-
Reflection on Nigeria's economic growth
Development, 1966
 Buku Teks