Colombia Information Service (photographer), Chamber of Commerce of the United States of America (originator)
On verso: 'Hand labor is one of the most important economic aspects of coffee production in Colombia. Because the coffee tree may bear both ripe and unripe berries at the same time, no machine can replace the human eye and hand in harvesting the crop.'
Description of the process of selecting, cleaning (by women workers), sorting, and selling sponges from the importer of sponges from the Ottoman and Greek Archipelago. Cover half-tone shows Laloux's Sponge Exhibit.--bookseller notes.