- Ingeokring Newsletter 2020/2021 No. 25 Winter (2368 downloads )
- Ingeokring Newsletter 2019/2020 No. 24 Winter (3345 downloads )
- Ingeokring Newsletter 2015 No. 23 Autumn (3081 downloads )
- Ingeokring Newsletter 2014 No. 22 Autumn (3175 downloads )
- Ingeokring Newsletter 2013 Summer (2845 downloads )
- Ingeokring Newsletter 2011/2012 Winter (2827 downloads )
- Ingeokring Newsletter 2010 Summer (2812 downloads )
- Ingeokring Newsletter 2009 Sping/Summer (2980 downloads )
- Ingeokring Newsletter 2008 Special Edition (2665 downloads )
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- Ingeokring Newsletter 2006 No. 1 Vol. 13 December (2655 downloads )
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- Ingeokring Newsletter 2003 No. 2 Vol. 10 (2780 downloads )
- Ingeokring Newsletter 2003 No. 1 Vol. 9 (2455 downloads )
- Ingeokring Newsletter 2002 No. 10 Summer (2778 downloads )
- Ingeokring Newsletter 2001 No. 9 Summer (3016 downloads )
- Ingeokring Newsletter 1999 No. 8 Summer (2950 downloads )
- Ingeokring Newsletter 1998 No. 7 Summer (2920 downloads )
- Ingeokring Newsletter 1997 No. 6 Autumn (3492 downloads )
- Ingeokring Newsletter 1997 No. 5 Spring (2836 downloads )
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- Ingeokring Newsletter 1995 No. 2 Autumn (2845 downloads )
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- Ingeokring Newsletter 1994-2 Herfst (2805 downloads )
- Ingeokring Newsletter 1994-1 Lente (2798 downloads )
- Ingeokring Newsletter 1993 Herfst (2948 downloads )
- Ingeokring Newsletter 1992-1993 Winter (3206 downloads )
- Ingeokring Newsletter 1992 Zomer (3616 downloads )
- Ingeokring Newsletter 1991-1992 Winter (3646 downloads )
- Ingeokring Newsletter 1991-1 Herfst (2703 downloads )
- Ingeokring Newsletter 1991-0 Lente-Zomer (2718 downloads )
- Ingeokring Newsletter 1990-3 December (2878 downloads )
- Ingeokring Newsletter 1990-2 Juni Special (2394 downloads )
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- Ingeokring Nieuwsbrief 1989-12 December (2897 downloads )
- Ingeokring Nieuwsbrief 1989-07 Juli (2913 downloads )
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- Ingeokring Nieuwsbrief 1987-12 December (2879 downloads )
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- Ingeokring Nieuwsbrief 1983-09 September (2527 downloads )