1. EAP823/1/8/45 Reference (shelfmark): EAP823/1/8/45 Title: Explicações de Arithmetica Scope & Content: Manual for arithmetic. Physical condition of originals: 331 ff; 150 x 101 mm Paper, edges dotted blue; black ink. Cover: marbled cardboard, spine guilded, tooled leather. Condition: very good. Collection Area: Endangered Archives Programme Languages: Portuguese Date Range: 19th century Extent: 671 tiff images