21. Place of birth among immigrants in the Greater Boston region Creator: NHGIS Format: Data sets Collection: GIS Data Sets from the Leventhal Map & Education Center Date: October 18, 2022 Institution: Boston Public Library
22. Proposed districts of the Massachusetts State House, 2020 redistricting Creator: Special Joint Committee on Redistricting Format: Data sets Collection: GIS Data Sets from the Leventhal Map & Education Center Date: October 12, 2021 Institution: Boston Public Library
23. Proposed districts of the Massachusetts State Senate, 2020 redistricting Creator: Special Joint Committee on Redistricting Format: Data sets Collection: GIS Data Sets from the Leventhal Map & Education Center Date: October 12, 2021 Institution: Boston Public Library
24. The Rosenwald Schools Creator: Boston Public Library. Norman B. Leventhal Map and Education Center Format: Data sets Collection: GIS Data Sets from the Leventhal Map & Education Center Date: November 18, 2021 Institution: Boston Public Library
25. Tabulated HOLC Area Description Sheet Data Creator: Scott Markley Format: Data sets Collection: GIS Data Sets from the Leventhal Map & Education Center Date: January 12, 2022 Institution: Boston Public Library
26. TIGER/Line Census Tract Boundaries Creator: United States Census Bureau Format: Data sets Collection: GIS Data Sets from the Leventhal Map & Education Center Institution: Boston Public Library
27. USGS Geographic Names Information System (GNIS) Creator: United States Geological Survey (USGS) Format: Data sets Collection: GIS Data Sets from the Leventhal Map & Education Center Date: March 26, 2021 Institution: Boston Public Library
