Leonard, V. A.
Police communication systems / V. A. Leonard. - Berkeley, Calif. : University of California Press, 1938. - xvi, 589 p. : ill. ; 22 cm. - Publications of the Bureau of public administration, University of California .
Bibliography : p. 556-572.
339 339
38028448
Police--United States
Communication and traffic--United States
/
621.384151 / L553p
Police communication systems / V. A. Leonard. - Berkeley, Calif. : University of California Press, 1938. - xvi, 589 p. : ill. ; 22 cm. - Publications of the Bureau of public administration, University of California .
Bibliography : p. 556-572.
339 339
38028448
Police--United States
Communication and traffic--United States
/
621.384151 / L553p