1. 01. English Non Fiction Inventors / by Hacker, Carlotta, Publication: Calgary : Weigl, 2000 . 48 p. : 26 cm. Date:2000 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Scientists / by Hacker, Carlotta. Publication: New York, NY : Crabtree Pub., 1998 . 48 p. : 26 cm. Date:1998 Availability: Copies available: (1), Actions:
3. 01. English Non Fiction Great African Americans in history / by Hacker, Carlotta, Publication: New York, N.Y., U.S.A. : Crabtree Publishing, 1997 . 64 p. : , Includes index. 26 cm. Date:1997 Availability: Copies available: (1), Actions: