Check Ancestry.com: Eastern Provinces
Civil Registry offices available at Wroclaw: http://www.archeion.net/atom/index.php/akta-metrykalne-2;isdf
Digital images available at Wroclaw: Images. Includes Langenbielau
Browse digital objects: http://www.archeion.net/atom/index.php/;digitalobject/browse?page=2&mediatype=137&limit=25 No longer availalbe.
Digital images Nimptsch: http://www.archeion.net/atom/tools/index.php?oper=pokaz#active
Scans available at Wroclaw: https://www.wroclaw.ap.gov.pl/de/die-publizierten-scans