This collection relates to files stored in the Archive of history of technology. The collection includes materials of distinguished personalities and firms that have been active from the late 19th century till now (A.Lanna, B.Bellada, Brazdil & Jes, Kapsa & Muller, M.Klement, K.Friedrich, V.Hrasky, V.Weingartner, F.Mencl, J.Soukup, A.V.Velflik, J.Kaftan, B.Muller, V.Clupek, L.Novacek, and others). The files contain basic documentation (not always complete) of realized projects, sketches, plans, documents and photographs of realized buildings. The collection is completed with professional publications, firms' and jubilee prints, reviews, annuals and other relics.