Goodnow, Frank Johnson; China: An Analysis, Baltimore, 1926.
Granet, Marcel; Chinese Civilization, New York, 1930.
Harvey, E. D.; The Mind of China, New Haven, 1933.
Holcombe, Arthur N.; The Chinese Revolution, Cambridge (Massachusetts), 1930.
——; The Spirit of the Chinese Revolution, New York, 1930.
Hsia Ching-lin; Chow, James L. E.; and Chang, Yukon (translators); The Civil Code of The Republic of China, Shanghai, 1930.
Hsieh, Pao Chao; The Government of China (1644-1911), Baltimore, 1925.
Hsü, Leonard Shih-lien; The Political Philosophy of Confucianism, New York, 1932.
Hsü, Pao-chien; Ethical Realism in Neo-Confucian Thought, Dissertation, Columbia University, n. d.
Suggests the position of Sun Yat-sen in the history of Chinese philosophy.