1. H. Blumer, “Collective Behavior,” in A. M. Lee (Ed.), “Principles of Sociology,” New York, Barnes and Noble, pp. 67-121, 1951.
2. R.W., Brown, “Mass Phenomena,” G. Lindzey (Ed.), “Handbook of Social Psychology 2,” New York, Free Press, 1954 (Japanese translation: translated by Aoki Kazuo, 1957, included in “Lectures on Social Psychology 7 – Mass and Mass Communication” edited by Gardner Lindzey and supervised by Shimizu et.al., Tokyo, Misuzu Shobo).
3. N. J. Smelser, “Theory of Collective Behavior,” New York, Macmillan, 1963 (Japanese translation: Aida Akira & Kihara Takashi, Tokyo, Seishin Shobo, 1973) .
4. I. Yoich, O. Koichi, and S. Hirofumi, “A Study on Groundless Rumor: Field Investigation on Run on the Toyokawa Shinkin Bank in Aichi Prefecture (Outlines and Facts & Data),” Comprehensive Studies on Journalism, Vol.11, No.3, Tokyo, Tokyo-sha, pp. 70-80, 1974a (in Japanese).
5. I. Yoich, O. Koichi, and S. Hirofumi, “A Study on Groundless Rumor: Field Investigation on Run on the Toyokawa Shinkin Bank in Aichi Prefecture (Review and Analysis),” Comprehensive Studies on Journalism, Vol.11, No.4, Tokyo, Tokyo-sha, pp. 100-111, 1974b (in Japanese).