SMITH, S. A. A road is made : Communism in Shanghai, 1920-1927. Richmond: Curzon x, 315 pages s. Dostupné online. ISBN0-7007-1207-0, ISBN978-0-7007-1207-6. OCLC42745738 S. 204. "Between 12 April and 31 December 1927, it is reckoned that up to 2,000 Communists and worker militants were killed in Shanghai, and thousands more arrested or fired from their jobs." "...Others, basing themselves on a report, put the number of victims as high as 5,000.".
SMITH, S. A. A road is made : Communism in Shanghai, 1920-1927. Richmond: Curzon x, 315 pages s. Dostupné online. ISBN0-7007-1207-0, ISBN978-0-7007-1207-6. OCLC42745738 "On the night of Monday, 11 April, the head of the GLU, Wang Shouhua, was invited to dine at the home of Du Yuesheng in rue Wagner in the French Concession. Upon arrival, four of his lieutenants trussed him in a sack and bundled him in a car; and after being severely beaten, he was buried alive in a remote wood.81 That evening Zhou Fengqi’s troops began to post sentries around the city.".