Higgins, Paul C.
The rehabilitation detectives / Paul C. Higgins
SAGE Publ., 1985
Buku Teks
Dorman, Michael
Detectives of the sky: investigating aviation tragedies / by Michael Dorman
Franklin Watts , 1976
Buku Teks
Kastner, Erich
Emil und die detektive, Emil dan polisi-polisi rahasia
Djambatan, 1987
Buku Teks
Konopinski, Emil J.
Electromagnetic fields and relativistic particles / Emil J. Konopinski
McGraw-Hill, 1981
Buku Teks
Lengyel, Emil
Egypt's role in world affairs/ Emil Lengyel
Public Affairs Press , 1957
Buku Teks