I don't know much about this paper, except that it was an invited article for this journal. The publisher's offprint is one 8 1/2 x 11 sheet, printed on both sides. It was sent to GMU in year 2000, No home copies made. Published in 1957 it was Warfield’s first published journal article, although he had written department and government reports earlier than this. Researchers may find the offprint in Box 6 Folder 17 at Special Collections and Archives, Fenwick Library.