My father, Walter Henry Belmont, is listed in the 1940 Boston, Massachusetts, USA Census Record as working (occupation) Laborer, WPA projects.

How can I find what WPA projects he worked on?

Moderator's Note on Privacy Policy:

Walter was born more than 100 years ago, so this question complies.

"Massachusetts Births, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FXC6-NN1 : 7 December 2017), Walter Henry Belmont, 30 Oct 1915, Boston, Massachusetts; citing reference ID #p 330, Massachusetts Archives, Boston; FHL microfilm 2,409,903.