| The Principle Approach - Developing a Course using the 4-R's | Written by Chris Duffy | Hits: 1115 |
| Teaching Elementary History-The Mighty Works of God | Written by Chris Duffy | Hits: 1079 |
| Techniques in Literary Analysis | Written by Chris Duffy | Hits: 1069 |
| Astronomy through the Ages | Written by Chris Duffy | Hits: 1055 |
| Studying the Bible as Literature | Written by Chris Duffy | Hits: 1020 |
| Finding the Principles and Chr. Hist. . . Setting Course Goals | Written by Chris Duffy | Hits: 1094 |
| Effective Classroom Government at Home or School | Written by Chris Duffy | Hits: 1081 |
| Writing: Both Process and Skill | Written by Chris Duffy | Hits: 1057 |
| Timeless Truths in the Iliad | Written by Chris Duffy | Hits: 1065 |
| Luther Burbank: The Genius Who Trained Plants | Written by Chris Duffy | Hits: 1096 |
| Training Young Men; Women to be Salt & Light | Written by Chris Duffy | Hits: 1061 |
| Ancient History - Teaching Guide | Written by Chris Duffy | Hits: 1039 |
| Middle History - Teaching Guide | Written by Chris Duffy | Hits: 1045 |
| Developing Teaching a Key Classic: Hans Brinker | Written by Chris Duffy | Hits: 1155 |
| Teaching Biblical Ideas and Reasoning | Written by Chris Duffy | Hits: 1064 |
| Teaching the Writings of A.A. Milne | Written by Chris Duffy | Hits: 1037 |
| Guyot Overview, Maps and Questions on CD | Written by Chris Duffy | Hits: 1067 |
| Mathematics from the Principle Approach | Written by Chris Duffy | Hits: 1043 |
| The Bronze Bow - Teacher's Guide CD | Written by Chris Duffy | Hits: 1082 |
| Principles of Leadership . . . Booker T. Washington | Written by Chris Duffy | Hits: 1073 |
| Abe Lincoln Grows Up -Teacher's Guide-CD | Written by Chris Duffy | Hits: 1157 |
| Significance of the American Christian Educator | Written by Chris Duffy | Hits: 1041 |
| Amos Fortune - Teacher's Guide | Written by Chris Duffy | Hits: 1018 |
| Presenting Leading Ideas in Daily Lessons | Written by Chris Duffy | Hits: 1047 |
| Illustrators: Literature's Illuminators | Written by Chris Duffy | Hits: 1068 |
| God's Sovereignty Over the Earth | Written by Chris Duffy | Hits: 1120 |
| Curr. Dev. and Teach. Methods for Science | Written by Chris Duffy | Hits: 1045 |
| How Can I Teach the Bible as Literature? | Written by Chris Duffy | Hits: 1094 |
| Cultivating a Heart for Learning | Written by Chris Duffy | Hits: 1114 |
| Teaching the Principle of Problem Solving MP3 | Written by Chris Duffy | Hits: 348 |
| American Christian Education | Written by Chris Duffy | Hits: 1033 |
| The Literature of Liberty | Written by Chris Duffy | Hits: 1092 |
| Using Charts to Record Research and Reasoning | Written by Chris Duffy | Hits: 1102 |
| Every Teacher is a Teacher of History | Written by Chris Duffy | Hits: 1107 |
| Using Literature to Reform Character: Little Women | Written by Chris Duffy | Hits: 1057 |
| Lit, Learn, and Sail Ash Breeze | Written by Chris Duffy | Hits: 1167 |
| Challenges & Blessings of PA | Written by Chris Duffy | Hits: 1152 |
| Home Education | Written by Chris Duffy | Hits: 1215 |
| The Principle Approach - Developing a Course Using the 4-R's | Written by Chris Duffy | Hits: 1144 |
| The Principle Approach - Developing a Course using the 4-R's | Written by Chris Duffy | Hits: 1066 |
| Developing and Teaching a Literary Classic | Written by Chris Duffy | Hits: 1085 |
| A Phil. of American Christian Education -- Booker T. Washington | Written by Chris Duffy | Hits: 1120 |
| The Life and Contributions of Laura Ingalls Wilder | Written by Chris Duffy | Hits: 1047 |
| Lit. that Teaches Less. in Life - Aesop's Fables for All Grades | Written by Chris Duffy | Hits: 1144 |
| Teaching the Principle of Problem Solving | Written by Chris Duffy | Hits: 1124 |
| Illustrators: Literature's Illuminators | Written by Chris Duffy | Hits: 1045 |
| Student Research! Scientists and Their Philosophies | Written by Chris Duffy | Hits: 1053 |
| Practical Tips from a Seasoned Homeschool Mother | Written by Chris Duffy | Hits: 1028 |
| Popping and Beyond -- Principle Approach Style | Written by Chris Duffy | Hits: 1088 |
| Purpose and Method for Teaching and Learning Historic Events | Written by Chris Duffy | Hits: 1003 |
| Treasuring the Literature Classics | Written by Chris Duffy | Hits: 1096 |
