The Brooklyn Immigration Project is in full effect, and you will need to exhaust all research avenues. For your convenience, here’s a bunch of resources that will help as each of you work on this project.
To get started, here is the primer from Jere Hester, which includes the link to the Brooklyn Immigration Project spreadssheet: Brooklyn Immigration Project Primer.
Next to the resources, Research/Craft Professor Barbara Gray has complied a handy guide of immigration resources in New York City. Here’s the PDF: Immigration Resources
If you need further assistance, stop by the Research Center.