The map sheet to which the appendices belong:

11816704 @ Übersichtskarte von Mitteleuropa 1:300 000 | map file: UvM_Koenigsberg_1900_APP_Sygn_M.top.300-166.jpg file size: 28646067 (27.3 MB) sheet number: R55 map sheet scale 1:300000 sheet title: Königsberg publication year: 1900 scan resolution: 600 dpi scan colors: rgb file added: 2020-05-25

The appendices: