A renewal search was done under books/pamphlets, periodicals and artwork for the years 1968 and 1969. No renewals were listed; there's no evidence that copyright continues to be claimed on this material.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
{{Information |Description=Veloz and Yolanda's ''Dansation'' of 1941. |Source=[http://www.ebay.com/itm/Vintage-1941-Veloz-and-Yolanda-Dansation-Program-Greatest-Dancing-Couple-/141020006294?pt=LH_DefaultDomain_0&hash=item20d5728796 eBay] [http://i.ebay...