Bickham, George
The universal penman
P. A. Struck, 1941
 Buku Referensi
Hankes, Elmer Joseph
A universal second language
Hankes Foundation, 1992
 Buku Teks SO
Wechler, Wolfgang
Universal algebra for computer scientists
Springer-Verlag , 1992
 Buku Teks
Kaelany H.D.
Islam agama universal
Midada Rahma Press, 2006
 Buku Teks
Vloten, H. Van
The Implementation of the universal declaration of humanrights
Universitaire Pers Leiden, 1949
 Buku Teks