“Trade Talk” Added by Unknown 1685 on Jul 19th, 2020 Date April 1970 Format Article 578 Type of Work Finished work 5482 Tags CSU NorthridgeSchool projectCaliforniaGraphic Design Treasure HuntPara-Tone Incorporatedartist supplies dealeradvertisingads Source: Art Direction, Vol. 22: No. 1, p 135