1.		Introduction to theoretical physics / John C. Slater , Nathaniel H. Frank Autor: Slater, John C. Frank, Nathaniel H.
2.		Principles of organic chemistry : an introductory text in organic chemistry / James English,Jr , Harold G. Cassidy Autor: English,Jr, James Cassidy, Harold G.
3.		Neon signs : manufacture, installation, maintenance / Samuel C. Miller , Donald G. Fink Autor: Miller, Samuel C. Fink, Donald G.
4.		Illumination engineering / W. B. Boast Autor: Boast, W. B.