| Newsletters: |
| October 2021, Forty First Edition |
| May 2020, Fortieth Edition |
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| October 2018, Thirty Ninth Edition |
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| October 2017, Thirty Eighth Edition |
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| October 2016, Thirty Seventh Edition |
| October 2015, Thirty Sixth Edition |
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| May 2014, Thirty Fourth Edition |
| October 2013, Thirty Third Edition |
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| October 2012, Thirty First Edition |
| April 2012, Thirtieth Edition |
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| August 2003 Twentieth Edition |
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| October 2001 Eighteenth Edition |
| April 2001 Seventeenth Edition |
| August 2000 Sixteenth Edition |
| May 1998 Fifteenth Edition |
| October 1997 Fourteenth Edition |
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| June 1996 Twelfth Edition |
| August 1995 Eleventh Edition |
| June 1994 Ninth Edition |
| November 1993 Eighth Edition |
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| May 1992 Fifth Edition |
| November 1991 Fourth Edition |
| November 1990 Second Edition |
| May 1990 First Edition |
