Dikty, T.E.
Every boy's book of American heroes / T.E. Dikty
Frederick Fell, Inc., 1963
 Buku Teks
Romulo, Carlos P.
I walked with heroes the autobiography of general Carlos P Romulo ; teacher, soldier, journalist, pulitzer prize winner, diplomat
Rinehart and Wonston, 1961
 Buku Teks
Ben Sohib
Seven heroes
Bentang, 2009
 Buku Teks
Lane, Edward William
Arabic-English lexicon book I
Frederick Ungar Publishing, 1956
 Buku Referensi
Martin, James
Information engineering: Book I Introduction
Prentice-Hall, 1989
 Buku Teks SO