Typewritten memorandum of comments to three cases following Garner v. Teamsters Union (346 U.S. 485):  No. 48 (Building Trades Council vs. Kinard Construction Co.), No. 188 (United Construction Workers vs. Laburnum Construction Corp.) and No. 398 (Capital Service, Inc. vs. National Labor Relations Board).  This memorandum was likely drafted by E. Barrett Prettyman, Jr. for submission to Justice Jackson.  Circa 1953.