Petit atlas van Houten en vingt feuilles.
[Amsterdam?]: Cacao van Houten. [1910.]. The Dutch chocolatier Conraad van Houten was a pioneer in the mass production of finely ground cocoa; his groundbreaking process was introduced in 1828. In the mid-1870s, colorful trade cards became a major marketing tool. Chocolate makers around the world, including van Houten, embraced the..... More