https://search.archives.jdc.org/multimedia/Documents/W_4549/W_4549_131/W_4549_131_0547.pdf#search= Son Pinkus: https://yvng.yadvashem.org/index.html?language=en&s_id=13758234&s_lastName=&s_firstName=&s_place=&s_dateOfBirth=&cluster=true