Incoming Resources
- Details of the preservation plan, Lowell Historic Preservation Commission. --
- Historic structure report historical data pawtucket canal guard gates, boat lock, great gate northern canal guard gates and boat lock swamp locks, lower locks Lowell National Historical Park, Lowell, middlesex county Massachusetts, by Anne Booth
- Historic structure report, historical data section, Old City Hall, Lowell National Historical Park, Lowell, Massachusetts, package no. 105 (project type 35), by Harlan D. Unrau. --