Barnell

year of pub­li­ca­ti­onISBNauthor(s)title
1962978-0-87965-001-8Richard A. BoningSpecific Skill, Book A: Using the Context
  ''978-0-87965-002-5Richard BoningUsing the Context Book B
  ''978-0-87965-005-6Using the Context Book E
1982978-0-87965-734-5Richard A. BoningSpecific Skill Series: Getting the facts D (Specific Skill Series)
  ''978-0-87965-739-0Specific Skill Series GETTING THE FACTS Booklet H