Prophecy Updates
| Study | Year | Text | Audio | Video |
| Prophecy Update | 1998 | Text | N/A | |
| Prophecy Update | 1999 | Text | Audio | |
| Prophecy Update | 2000 | Text | N/A | |
| Prophecy Update | 2001 | Text | N/A | |
| Prophecy Update | 2002 | Text | N/A | |
| Prophecy Update | 2003 | Text | N/A | |
| Prophecy Update | 2004 | Text | N/A | |
| Prophecy Update | 2005 | Text | Audio | |
| Prophecy Update | 2006 | Text | N/A | |
| Prophecy Update | 2007 | Text | N/A | |
| Prophecy Update | 2008 | Text | N/A | |
| Prophecy Update | 2009 | Text | N/A | |
| Prophecy Update | 2010 | Text | Audio | |
| Prophecy Update | 2011 | Text | Audio | |
| Prophecy Update | 2012 | Text | Audio | |
| Prophecy Update | 2013 | Text | Audio | |
| Prophecy Update | 2014 | Text | Video | |
| Prophecy Update | 2015 | Text | Audio | Video |
| Prophesy Update | 2016 | Text | Audio | Video |
| Prophesy Update | 2017 | Text | Audio | Video |
| Prophesy Update | 2018 | Text | Audio | Video |
| Prophesy Update | 2019 | Text |