Also try https://names.jdc.org/

The JDC has many documents about refugee resettlement. There are several matches for the name Josef Erlich, that may or may not be your person.

--
Peter Cherna, Exton PA (peter@...)
Researching CSERNA (Budapest, Székesfehérvár), GRUNFELD (Székesfehérvár), BRAUN, REINER (Budapest, Nyíregyháza, Máriapócs), EHRENFELD (Pozsony, Balassagyarmat) BRACK (Ipolykeszi)