So is it still being taught? "If the results of a survey we had published this year are accurate, it is being taught by about ninety percent of teachers in grades one to three."

VOA: special.2009.10.29

It's published without an author's name being listed.

出版时没有写上作者。

耶鲁公开课 - 新约课程节选

It's published without an author's name being listed.

出版时没有写上作者。

耶鲁公开课 - 新约课程节选