The HIAS photo collection contains one folder labeled Succoth. Inside are these three 8 x 10 prints depicting Sukkot preparations and celebrations, probably at the HIAS shelter at 425 Lafayette Street in Manhattan. Unfortunately, there are no dates on the photographs, nor any other descriptive information, but they appear to be from the late 1940s or early 1950s. HIAS used images such as these in publicity materials and publications such as annual reports.
The HIAS photo archive of 20,000 images has been digitized and will be fully searchable from http://ajhs.org/hias-digital-collections by the end of 2018.
Chag Sameach from AJHS.