na INLIS000000000003108 20211029025318 0010-0521003108 211029 | | eng en 633.74 633.74/KNA/c Knapp, Arthur W. Cocoa and chocolate industry : The tree, the bean, the beverage / Arthur W. Knapp London : Sir Isaac Pitma, 1923 xii, 147 p. : ill. ; 18 cm. INDUSTRY -- THEOBROMA CACAO 633.74 KNA c Incl. index