The map sheet to which the appendices belong:

11835459 @ Karte des Deutschen Reiches 1:100 000 - Generalstabskarte, ark. poj. /1870 - 1944/ | map file: KDR100_429_Dueren_1914_uniberk_C057007827.jpg file size: 3312665 (3.2 MB) sheet number: 429 map sheet scale 1:100000 sheet title: Düren publication year: 1914 scan resolution: 300 dpi scan colors: rgb file added: 2021-07-09

The appendices:

Appendix 1 (id 1761131) :
file nameKDR100_429_Dueren_1914_verso_uniberk_C057007827_002.jpg
file size1049253 (1.0 MB)
appendix titleDüren (verso)
publication year1914
entry edited2021-07-14 21:16:54
file added2021-07-14