Open Access#11963
Celebration of the American patent system : a complete summary of the proceedings in observance of the one hundred twenty-fifth anniversary of the United States Patent Act of 1836, Washington, D.C., October 18-25 inc., 1961
In: http://hdl.handle.net/2027/psia.ark:/13960/t3029xw5z
Part 2, "Proceedings of the International Patent Office Workshop on Information Retrieval, sponsored by U.S. Patent Office [and] Patent Office Society" (p. 77-231) also published separately. ; Cover title: 125th anniversary of the United States Patent act of 1836. ; Mode of access: Internet.