Blain, Ellis
Life with aunty: forty years with the ABC
Methuen Of Australia, 1977
 Buku Teks
FitzGerald, Robert David, 1902-
Forty years poem / Robert D. Fitgerald
Angus and Roberson Publishers, 1965
 Buku Teks
Reinhardt, George C.
The Haphazard years : how America has gone to war / George C. Reinhart and William R. Kintner
Dobleday, 1960
 Buku Teks
Pimentel, George C.
Understanding chemistry/ George C. Pimentel
Holden-Day, 1971
 Buku Teks
Cabot, John Moors
First line of defense: forty years experiences of a career diplomat / John Moors Cabot
Georgetown University, t.th
 Buku Teks