1930's Advertising Soilax Monkey Chimpanzee Brochures

Monkey Chimpanzee advertising pamphlets. Put out about Soilax products. Letterhead of Ecommerce Labs. 8 in all. Each one has different drawings, and inside tells what monkeys are doing on the covers. Photos made by D& G. All from the 1930's. 80 years old. Please keep in mind that these are old and pages browning. Although original covers were brown and cream color.