1968.6.20南华早报：王明拒绝回中国参加中共九大、广州车站发生激烈武斗、中国对坦桑尼亚援助

PARTY EXILE SPURNS MAO'S RETURN TO PEKING CALL: TAIPEI, JUNE 19
South China Morning Post (1946-Current); Jun 20, 1968;
ProQuest Historical Newspapers: South China Morning Post
pg. 22

Serious clash among Canton youths, many casualties
South China Morning Post (1946-Current); Jun 20, 1968;
ProQuest Historical Newspapers: South China Morning Post
pg. 1

Tanzania and Chinese aid
South China Morning Post (1946-Current); Jun 20, 1968;
ProQuest Historical Newspapers: South China Morning Post
pg. 10