Railroads--Employees (2) Pictures (2) Trainmen (2) Imágenes (2) Illustrations, images, etc. (2) Cheminots (2) Centre (1) Cloture (1) Buildings, structures, etc (1) Buildings (1) Desk pads (1) Worms (1) Watercolor painting (1) Volume (Cubic content) (1) Visions (1) Twentieth century (1) Social mobility (1) Social history (1) Smoke plumes (1) Reality (1) Perception (1) Night (1) Mural painting and decoration (1) Working class (1) Interpersonal relations (1) Ink (1) Graphic arts (1) French (1) Expression (1) Drawing (1)