- 第十六讲 Lesson Fourteen The Categories of Accounting
- 第十七讲 Lesson Fourteen The Categories of Accounting
- 第十八讲 Lesson Fourteen The Categories of Accounting
- 第九讲 Lesson Fourteen The Categories of Accounting(一)
- Lesson Fourteen The Categories of Accounting(二)
- Lesson Fourteen The Categories of Accounting(三)
- Lesson Fourteen The Categories of Accounting (四)