00589cam a2200217 4500 544122158 TxAuBib 20060922120000.0 060929s2006||||||||||||||||||||||||eng|u 9780756618346 0756618347 TxAuBib Signs in Our World. NY : DK Pub, 2006. 31 pp : color ill. 20060922. Traffic signs and signals. Street signs. Signs and signboards. TXSTN