| De Colve I |
|
1996 |
|
Cousin Willy tells us about past years |
| De Colve II |
|
1997 |
|
A Monumental Villa: 'Duin en Dennen' at Wassenaar |
| De Colve III |
|
1998 |
|
Interviewing Ale Kolff van Oosterwijk |
| De Colve IV |
|
1999 |
|
A Paper by Cornelius G. Kolff of Staten Island |
| De Colve V |
|
2000 |
|
Kolf - Colf - Golf |
| De Colve VI |
|
2001 |
|
Family Tombs at Hillegersberg (Rotterdam) |
| De Colve VII |
|
2002 |
|
The Lord of the Rings |
| De Colve VIII |
|
2003 |
|
Summary of Main Articles |
| De Colve IX |
|
2004 |
|
Summary of Main Articles |
| De Colve X |
|
2005 |
|
John Wouter Kolff writes about his experiences in Sri Lanka and Kenya |
| De Colve XI |
|
2006 |
|
Summary of Main Articles;
'Rocking Down Under' |
| De Colve XII |
|
2007 |
|
Summary of Main Articles;
Introduction by the Chairman;
Kolffs at Naarden |
| De Colve XIII |
|
2008 |
|
Summary of Main Articles;
The House 'Nimmerdor' at Amersfoort |
| De Colve XIV |
|
2009 |
|
Summary of Main Articles;
A Distant Cousin in the Distant South;
Japan, the Second Time Around |
| De Colve XV |
|
2010 |
|
Summary of Main Articles, including one in full: Little Notes;
Branch Van Santen Kolff dies out;
Differently Remembered, Told On, or Happened |
| De Colve XVI |
|
2011 |
|
Cor 'Vlieg' - Cornelis Kolff (1897-1968); Branch B dies out;
The Story of a Painting |