| Identifier | Title | Date | Level of description | Other information | |
|---|---|---|---|---|---|
| KBA 9326.534 | Karl Hartenstein an Karl Barth | 21st Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.535 | Christian Kaiser Verlag an Karl Barth | 21st Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.536 | Georg Merz an Eduard Thurneysen | 21st Dec 1926 | Item: 1 letter | digitized | |
| KBA 9125.22 | Paul Althaus an Karl Barth | 22nd Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.538 | Georg Merz an Karl Barth | 23rd Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.540 | Artur Mettler an Karl Barth | 23rd Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.539 | Hermann Zeltner an Karl Barth | 23rd Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.542 | Th.L. Haitjema an Karl Barth | 24th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.541 | Georg Merz an Karl Barth | 24th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.543 | G. Gervai an Karl Barth | 25th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9270.486 | Karl Barth an Eduard Thurneysen | 26th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9270.487 | Karl Barth an Eduard Thurneysen | 26th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.545 | Anna Barth an Karl Barth | 27th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.544 | Jur. Lutz an Karl Barth | 27th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9272.42 | Karl Barth an Charlotte von Kirschbaum | 28th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.547 | Emil Grobe an Karl Barth | 28th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.546 | Hermann Karwehl an Karl Barth | 28th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.548 | Hugo Putsch an Karl Barth | 28th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.549 | Anna Barth an Karl Barth | 29th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.550 | Eduard Thurneysen an Georg Merz | 29th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9370.570 | Eduard Thurneysen an Karl Barth | 29th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.551 | Hermann Bauch an Karl Barth | 30th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.552 | Lukas Christ an Karl Barth | 30th Dec 1926 | Item: 1 letter | digitized | |
| KBA 98820.1 | Marguerite Thurneysen an Charlotte von Kirschbaum | 30th Dec 1926 | Item: 1 letter | digitized | |
| KBA 98820.2 | Eduard Thurneysen an Charlotte von Kirschbaum | 30th Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.553 | Helmut Döring an Karl Barth | 31st Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.554 | Buchhandlung in Elberfeld an Karl Barth | 31st Dec 1926 | Item: 1 letter | digitized | |
| KBA 9326.555 | Albert Stohler an Anna Barth | 31st Dec 1926 | Item: 1 letter | digitized |