7/27/19 Hogan and Brennan exchange
8/23/19 Brennan letter to Lee and Yeung
10/4/19 Letter from Brennan to Vincent
10/10/19 Vincent letter to Brennan
11/4/19 Brennan letter to Vincent
11/13/19 Letter from Huges to Cheng, Fu and Yeung
11/18/19 Hughes letter to Lee and Cheng
11/18/19 Yeung letter to Brennan
11/22/19 Brennan letter to Yeung