Request that a source be added to the Genealogy Indexer. Include a brief description of contents, with as much of title, geographic scope, date, and organizational structure as you know. If the source is already online, provide a link.
There used to be a searchable list of Warsaw [home] gas accounts (from 1939, 1940 or so) at http://warsawa.ghetto.pl/ -- but that site seems to no longer be operating. Does anyone know where that list might now be found?