Bickham, George
The universal penman
P. A. Struck, 1941
 Buku Referensi
Hankes, Elmer Joseph
A universal second language
Hankes Foundation, 1992
 Buku Teks SO
Kaelany H.D.
Islam agama universal
Midada Rahma Press, 2006
 Buku Teks
Arthur, Paul, 1924-
PictograficSystems: nonverbal, universal
Focus Strategic Communications, 2005
 Buku Teks
Vloten, H. Van
The Implementation of the universal declaration of humanrights
Universitaire Pers Leiden, 1949
 Buku Teks