The Society of Friends is working with the American Red Cross which uses great numbers of demountable houses. See 230

Soci'ete of Friends Dl̆e , Demountable Construction.
Title and notes from Red Cross caption card.
Group title: Society of Friends.
On caption card: Plate to Secy. Genl. Print in album.
Date based on date range for negative series.
Gift; American National Red Cross 1944 and 1952.
General information about the American National Red Cross photograph collection is available at http://hdl.loc.gov/loc.pnp/pp.anrc
Temp note: Batch 30