The First Presidency learned that the Birch Society's March Bulletin encouraged Birch members to write "Personal and Confidential" letters to President McKay and to his two new counselors, Joseph Fielding Smith and Thorpe B. Isaacson.
[The John Birch Society Bulletin (Mar. 1966): 22-24; "CROSS REFERENCE SHEET," 2 Mar. 1966, in "Hugh B. Brown's File on the John Birch Society." From D. Michael Quinn, Ezra Taft Benson and Mormon Political Conflicts, Dialogue: A Journal of Mormon Thought 26:2 (Summer 1992), also in Quinn, The Mormon Hierarchy: Extensions of Power Salt Lake City (Signature Books, 1994), Chapter 3.]