00803cas|a2200265 i 4500 20260818085110.0 011203s1971 us u m rtt 00| a1eng d 0309019109 .b11840912 TE7 N25 no. 119 Cunningham, Roger A. Control of highway advertising signs : some legal problems Washington, D.C. : National Research Council, 1971 72 p. Report ; no. 119 Highway communications Highway law Advertising National Cooperative Highway Research Program. Report ; no. 119 .b11840912 mngc - 120618 0 960720 m a - 0 mngc TE7 N25 no. 116-120 23104 23104