- 1640 map of original allotments and succeeding owners.
- 1852 map of Guilford, CT
- 1884 Sanborn Fire Insurance map Guilford, CT
- 1889 Sanborn Fire Insurance map Guilford, CT
- 1895 Sanborn Fire Insurance map Guilford, CT
- 1895 Sanborn-Perris map
- 1901 Sanborn-Perris map
- 1965 aerial maps Guilford, CT
- Guilford Homelots Map
- Town of Guilford, CT current maps
