Stoop Labor in Cotton Field, San Joaquin Valley, California by Dorothea Lange https://www.rawpixel.com/image/14263161/stoop-labor-cotton-field-san-joaquin-valley-california-dorothea-langeFree Image from public domain licensePortrait of a woman by Gustave Courbet. The subject faces the spectator, the left arm resting on the back of a side chair.… https://www.rawpixel.com/image/7651224/image-faces-flower-vintageFree Image from public domain licenseZwanebloem in een landschap (1937 - 1938) by Bernard Essers https://www.rawpixel.com/image/13737996/zwanebloem-een-landschap-1937-1938-bernard-essersFree Image from public domain licenseSketchbook with various studio drawings by Mikuláš Galanda https://www.rawpixel.com/image/12678825/sketchbook-with-various-studio-drawings-mikulas-galandaFree Image from public domain licenseFSA/8b32000/8b32300\8b32333a.tif. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247085/photo-image-face-person-public-domainFree Image from public domain licenseTransport per rupstractor van een turbine (1937 - 1938) by anonymous https://www.rawpixel.com/image/13751724/transport-per-rupstractor-van-een-turbine-1937-1938-anonymousFree Image from public domain licenseBirdsboro (vicinity), Berks County, Pennsylvania. Hayloft where the Dallas Douglas family lived during the winter of 1937… https://www.rawpixel.com/image/12275518/photo-image-plant-animal-public-domainFree Image from public domain license