| Newsletters: |
| May 2020, Fortieth Edition |
|
| October 2018, Thirty Ninth Edition |
|
| October 2017, Thirty Eighth Edition |
|
| October 2016, Thirty Seventh Edition |
| October 2015, Thirty Sixth Edition |
| October 2014, Thirty Fifth Edition |
| May 2014, Thirty Fourth Edition |
| October 2013, Thirty Third Edition |
| May 2013, Thirty Second Edition |
| October 2012, Thirty First Edition |
| April 2012, Thirtieth Edition |
| October 2011, Twenty Ninth Edition |
| May 2011 Twenty Eight Edition |
| November 2010 Twenty Seventh Edition |
| May 2010 Twenty Sixth Edition |
| October 2009 Twenty Fifth Edition |
| May 2009 Twenty Fourth Edition |
| October 2008 Twenty Third Edition |
| May 2008 Twenty Second Edition |
| November 2007 Twenty First Edition |
| August 2003 Twentieth Edition |
| June 2002 Nineteenth Edition |
| October 2001 Eighteenth Edition |
| April 2001 Seventeenth Edition |
| August 2000 Sixteenth Edition |
| May 1998 Fifteenth Edition |
| October 1997 Fourteenth Edition |
| April 1997 Thirteenth Edition |
| June 1996 Twelfth Edition |
| August 1995 Eleventh Edition |
| June 1994 Ninth Edition |
| November 1993 Eighth Edition |
| May 1993 Seventh Edition |
| May 1992 Fifth Edition |
| November 1991 Fourth Edition |
| November 1990 Second Edition |
| May 1990 First Edition |
