The map sheet to which the appendices belong:

11831701 @ WIG - Mapa Taktyczna Polski 1:100 000 /1924 - 1939/ | map file: A37_B29_(E30)_Sierpc_1924_nnZlbxz_BN_Sygn.ZZK_S-20_441.jpg file size: 19224369 (18.3 MB) sheet number: Row 37 Col 29 (A37 B29) map sheet scale 1:100000 sheet title: Sierpc publication year: 1924 scan resolution: 600 dpi scan colors: rgb file added: 2021-05-20

The appendices:

Appendix 1 (id 1761047) :
file nameA37_B29_(E30)_Sierpc_1924_verso_nnZlbxz_BN_Sygn.ZZK_S-20_441_A.jpg
file size6633896 (6.3 MB)
appendix titleSierpc (verso)
publication year1924
entry edited2021-05-26 14:04:21
file added2021-05-26