1. EAP894/1/11/336 Reference (shelfmark): EAP894/1/11/336 Title: First World War Scope & Content: This is the back of F120k_op1_ae1090_v003. With text: Sampling of gas masks. 13,5 x 8,5 cm. Bulgarian language. Cardboard. Original reference: BOX5; F120k_op1_ae1090_r003 Collection Area: Endangered Archives Programme Languages: Bulgarian and Not applicable Date Range: before 1918 Extent: 1 Tiff image
