1. EAP180/1/3/149 Reference (shelfmark): EAP180/1/3/149 Title: Ուսումն տրամաբանութեան [Usumn tramabanutyan], 1869 Scope & Content: The Study of Logics Original material: 1 monographic title; Paper Collection Area: Endangered Archives Programme Languages: Armenian Date Range: 1869 Extent: 85 TIFF images