"Supersedes Miscellaneous publication 551, issued by the Solicitor of the Department of Agriculture, and the 1952 unnumbered and processed revision of...
"Supersedes Miscellaneous publication 551, issued by the Solicitor of the Department of Agriculture, and the 1952 unnumbered and processed revision of the publication, sponsored by the Dept. Committee on Patent Policy"--P. ii.
"Sponsored by the Office of the General Counsel and the Dept. Committee on Patent Policy"--P. ii.