. "No restrictions on access"@en . . . "No restrictions on use"@en . . "The textbook was donated to the United States Holocaust Memorial Museum in 1998 by Shlomo Solly Perel."@en . . "The Voice of the Ancestors\n\nTextbook"@en . . . . "Textbook from the Hitler Youth Academy titled,\"Die Stimme der Ahne\" (The Voice of the Ancestors), 59 pages, hardbound cover with paper book jacket dated 1937; in German; Berlin, Germany"@en . "irn520908" . .