Parking : report of committee and three papers ; presented at the twenty-seventh annual meeting, 1947

National Research Council, Highway Research Board, USA | TIBKAT | 1948

Soils committee reports and special papers : presented at the twenty-seventh annual meeting, 1947

National Research Council, Highway Research Board, USA | TIBKAT | 1948

Highway planning : six papers ; presented at the twenty-seventh annual meeting, 1947

National Research Council, Highway Research Board, USA | TIBKAT | 1948

Highway finance : five papers ; presented at the twenty-seventh annual meeting, 1947

National Research Council, Highway Research Board, USA | TIBKAT | 1948

The polarized headlight system : presented at the twenty-seventh annual meeting, 1947 /

Land, Edwin Herbert | TIBKAT | 1948