Roberta Bannister (Bannister, Roberta)

• 
  via
  Big 5th and 6th Grade Workbook
  by Ray Broekel, Martha Palmer, Roberta Bannister, Doris Rikkers, James Hoffmanm, Joan Hoffman, Chris Cook, Jan Jones
  Softcover, School Zone Pub Co, ISBN 0887433146 (0-88743-314-6)
• 
  Math: Grade 1
  by Robertha Bannister
  Softcover, School Zone Pub Co, ISBN 0938256289 (0-938256-28-9)
• 
  Math: Grade 2
  by Robertha Bannister
  Softcover, School Zone Pub Co, ISBN 0938256300 (0-938256-30-0)
• 
  Math: Grade 3
  by Roberta Bannister
  Softcover, School Zone Pub Co, ISBN 0938256319 (0-938256-31-9)
• 
  Math: Grade 4
  by Robertha Bannister
  Softcover, School Zone Pub Co, ISBN 0938256335 (0-938256-33-5)
• 
  Math: Grade 5-6
  by Robertha Bannister
  Softcover, School Zone Pub Co, ISBN 0938256351 (0-938256-35-1)