- jmberlin.de en/12-of-12000-arthur-polackLetter sent from the front by Arthur Polack to his cousin Anni Bredee (page 1); 29 June 1917; Jewish Museum Berlin, gift of Orah Young; photo: Jens Ziehe.Bulunamadı: simeon
- archdaily.com 295662/perot-museum-of-nature-and-…
- metmuseum.org art/libraries-and-research-centers