The 9-digit Standard Book Numbering [SBN] code was invented in 1966 by Gordon Foster, a professor at Trinity College, Dublin, Ireland, as a way to identify books down to each unique title.

• 9位数字标准图书编号[SBN]代码于1966年爱尔兰都柏林三一学院戈登福斯特教授发明，以以独特的名称来确定每一本书。