4823 tulemust jaotises Teema Inseneriteadused

National Heritage Institute, Bucharest

Octavian Goga Cluj County Library

Petru Bogdan, (1873-1944) [autor]; V. Roșu, (inginer) [autor]; Ion Th. Simionescu, (geolog, paleontolog) (1873-1944)

Octavian Goga Cluj County Library

de Ion Ionescu; Ion Ionescu, (inginer)

Octavian Goga Cluj County Library

A. Domide și I. Văleanu; A. Domide, (ing.); I. Văleanu,

Octavian Goga Cluj County Library

Romanian Television

Professor Engineer Dimitrie Leonida Technical Museum

Rijksmuseum

Tauragė Regional Museum

Tauragė Regional Museum

Edmundas Krikštanavičius

Šiauliai Aušros Museum

Rudi Högner

Šiauliai Aušros Museum

Šiauliai Aušros Museum

Šiauliai Aušros Museum

Šiauliai Aušros Museum

Trakai History Museum

Trakai History Museum

Tauragė Regional Museum

Tauragė Regional Museum

Tauragė Regional Museum

Tauragė Regional Museum

Tauragė Regional Museum

Tauragė Regional Museum

Tauragė Regional Museum