Davidson & Assoc

year of pub­li­ca­ti­onISBNauthor(s)title
1991978-99927-912-6-4Dinosaur Discovery Kit/2 Disk Teacher Pack for IBM 3.5 Disk
  ''978-99927-912-7-1First BitePuzzle Storybook/2 Disk Teacher Pack for IBM 3.5 Disk
  ''978-99927-912-8-8DavidsonGrammar Gremlins/2 Disk Teacher Pack for IBM 3.5 Disk
  ''978-99927-912-9-5DavidsonWord Attack Plus: Spanish/2 Disk Teacher Pack for IBM 3.5 Disk