"In Praise of Morris L. Cohen's Bibliography of Early American Law." Daniel A. Cohen.
"Morris L. Cohen: A Reminiscence." Morris S. Arnold.
"Morris Cohen and the Art of Book Collecting." Michael Widener.
"Birth of a Nutshell: Morris Cohen in the 1960s." Kent C. Olson.
"Blackstone and Bibliography: In Memoriam Morris Cohen." Wilfrid Prest.The full TOC is here. Articles are available for download on the Law Library Journal website.
"Booksellers in Court: Approaches to the Legal History of Copyright in England Before 1842." James Raven.
"Reflections: An Interview with Morris L. Cohen." Morris L. Cohen & Bonnie Collier.
Hat tip: Yale Law Library - Rare Books Blog