Material can be found in many locations - you might want to check these links to tools you could use for broader research:
The Connecticut State Library is a participating member of
Government Information
Reference Services
Below is a sampling of digitized materials available in the Connecticut State Archives regarding the effort to ratify the 19th Amendment to the U.S. Constitution giving women the right to vote. Please note that due to the high interest in woman suffrage materials, the State Archives is making every effort to digitize relevant materials in collections and make them available on-line. Non-digitized archival collections must be used on-site following the requirements for secured collections. The complete finding aids for the parent collections of the items listed below are available at:
These are a few examples.