Scope and Contents
No. 6 – February 14, 1947
No. 14 – March 18, 1947
No. 15 – March 18, 1947
No. 34 – July 7, 1947
No. 66 – April 19, 1948
No. 67 – April 19, 1948
No. 83 – June 8, 1948
No. 88 – June 19, 1948
No. 89 – June 19, 1948
New system:
No. 1 – March 2, 1949
No. 2 – March 3, 1949
No. 3 – March 4, 1949
No. 4 – March 2, 1949
No. 6 – April 27, 1949
No. 7 – April 29, 1949
Letter to Miller from Department of the Interior July 2, 1948
Circular letter no. 19 – January 21, 1948