Title: Speak Mandarin, Workbook / Edition 1, Author: Henry C. Fenn
Title: Intermediate Reader of Modern Chinese: Volume II: Vocabulary, Sentence Patterns, Exercises, Author: Chih-p'ing Chou
Title: Twenty Lectures on Chinese Culture: An Intermediary Chinese Textbook / Edition 1, Author: Richard Chang
Title: Intermediate Reader of Modern Chinese: Volume I: Text, Author: Chih-p'ing Chou