Z HQ* 2 Years + Cur. Ziff Davis Smart Business (ceased publication) E 5/01-6/02 Ziff Davis Smart Business For the New Economy (became: Ziff Davis Smart Business) E 5/00-4/01 I 8/99-6/02 Zoetrope HQ* 38899 Zoning News (Gov't. Doc.) E -2001 Zoobooks (juvenile) C Current 2 Years E-J* -1990 HD Current Year L* 2 Years + Cur. M* -2002 OC 2 Years + Cur. W* 1990- (Located in J591)