The book is considered the standard work in its field.
It was the standard work on the subject for many years, and is still of interest today.
It has since become a standard work in the field.
The book went on to become "the standard work in its field."
This is considered to be the standard work on the subject.
In 1888 they published what was to become a standard work on paper making.
It remains a standard work until to the present day.
This remained a standard work well into the next century.
His history of that war is considered a standard reference work.
Any standard reference work will give you a line on that.