Avery Brundage (right), vice president of the IOC and president of the USOC, leads the US delegation at the Opening Ceremony of the Winter Olympics at St. Moritz, Switzerland.  The report is copyright 1949; there is no indication that it was ever registered with the copyright office or was renewed in 1976 or 1977 per the volumes of copyright entries available on Google Books.
Unknown author<span style="display: none;">Unknown author</span>
1948-02
USOC report for 1948 Olympics, <a rel="nofollow" class="external text" href="http://www.la84foundation.org/6oic/USOC_Reports/1948/USOCReport1948Pt1.pdf">here</a>