I thought you might be interested in the brief article by Prof. Van Alstyne in this book. The article, written shortly after the Manhart decision, deals with the implications of that decision and supports the majority's result in Norris. TM's and SOC's clerks carne by to show me the article.
Madans, A.S. Clerk Memo, Arizona Governing Comm. V. Norris, 463 U.S. 1073 (1983). Box 367, Harry A. Blackmun Papers, Manuscript Division, Library of Congress, Washington, D.C.