New Jersey State Chamber of Commerce. Department of Governmental Research.2015-02-132015-02-131917J353.9 S797 No.2http://hdl.handle.net/10929/33525"Supplement to Vol. IV, 'New Jersey', No. 4, January, 1917."--T.p. "The field work and compilation of all data has been under the immediate supervision of Paul Willard Garrett."en-USPolice, State.Police, State -- New Jersey.The State police problem in America : including a special study of the problem in New JerseyBook