In AYBD Vol.3,p 472, article title "Isaiah, Book Of" under subheading "First Isaiah" the time line data is tagged to 8th C. AD, but should be tagged to 8th C. BC. This error occurs several times in this article, probably because the author does not specify BC or AD when he refers to the 8th century.
Not sure if there is a better way to report this type of error.