What were the four parts of the CPA Exam in the 1980's?

I took the CPA exam in 1981 and the parts were as follows:

There were 5 parts to the exam and you were not allowed to use a calculator.

Practice - 4.5 hours

Auditing - 3.5 hours

Tax - 3.5 hours

Law - 3.5 hours

Theory- 3.5 hours

The exam was held over 2.5 days and in a room of several hundred test takers.