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For preparers , data tagging could help streamline the process of collecting , collating and confirming the accuracy of information from a variety of sources and systems . " The exhibit also looks at the more controversial elements of Lindbergh 's life , including the tragic kidnapping and murder of his son in 1932 ; Lindbergh 's forceful support of the isolationist " America First " movement ; and his acceptance of awards from Nazi Germany and Japan in the days prior to World War II. Ballet shoes are made either of soft leather or canvas , very light and with a paper-thin sole and no heels . Dancers in this century who specialize in recreating Baroque dance have revived the Beauchamp / Feuillet notation ; Wendy Hilton 's Dance of the Court and Theater provides a comprehensive text and is the standard reference .