. "irn676539" . . . "No restrictions on access"@en . . "Hymnal and prayer book dated 1886"@en . "The prayer book was donated to the United States Holocaust Memorial Museum in 2019 by Virginia Mayer, the widow of Paul Mayer."@en . "German hymnal and prayer book embossed with the name of Emma Ertz and the date 1886."@en . "No restrictions on use"@en . .