Henry Ford and his Researchers - History of their Work with Soybeans, Soyfoods and Chemurgy (1928-2011) by William Shurtleff, Akiko Aoyagi 2011
History of Soybeans and Soyfoods in Australia, New Zealand and Oceania (1770-2010): Extensively Annotated Bibliography and Sourcebook by William Shurtleff, Akiko Aoyagi 2010