| OGA News, November 27, 2019 | 11/27/2019 | Global Activities Newsletter |
| OGA News, December 5, 2019 | 12/05/2019 | Global Activities Newsletter |
| OGA News, December 12, 2019 | 12/12/2019 | Global Activities Newsletter |
| OGA News, January 9, 2020 | 1/09/2020 | Global Activities Newsletter |
| OGA News, January 16, 2020 | 1/16/2020 | Global Activities Newsletter |
| OGA News, January 23, 2020 | 1/23/2020 | Global Activities Newsletter |
| OGA News, January 30, 2020 | 1/30/2020 | Global Activities Newsletter |
| OGA News, February 6, 2020 | 2/06/2020 | Global Activities Newsletter |
| OGA News, February 13, 2020 | 2/13/2020 | Global Activities Newsletter |
| OGA Newsletter, February 21, 2020 | 2/21/2020 | Global Activities Newsletter |
| OGA Newsletter, February 27, 2020 | 2/27/2020 | Global Activities Newsletter |
| OGA Newsletter, April 23, 2020 | 4/23/2020 | Global Activities Newsletter |
| OGA Newsletter, April 16, 2020 | 4/16/2020 | Global Activities Newsletter |
| OGA Newsletter, April 6, 2020 | 4/06/2020 | Global Activities Newsletter |
| OGA Newsletter, April 30, 2020 | 4/30/2020 | Global Activities Newsletter |
| OGA Newsletter, May 10, 2020 | 5/10/2020 | Global Activities Newsletter |
| OGA Newsletter, June 12, 2020 | 6/12/2020 | Global Activities Newsletter |
| OGA Newsletter, May 28, 2020 | 5/28/2020 | Global Activities Newsletter |
| OGA Newsletter, June 25, 2020 | 6/25/2020 | Global Activities Newsletter |
| OGA Newsletter, July 9, 2020 | 7/09/2020 | Global Activities Newsletter |
| OGA Newsletter, July 27, 2020 | 7/27/2020 | Global Activities Newsletter |
| OGA Newsletter, August 7, 2020 | 8/07/2020 | Global Activities Newsletter |
| OGA Newsletter, August 24, 2020 | 8/24/2020 | Global Activities Newsletter |
| OGA Newsletter, September 8, 2020 | 9/08/2020 | Global Activities Newsletter |
| OGA Newsletter, September 22, 2020 | 9/22/2020 | Global Activities Newsletter |
