Search "Holyoke". Images can be used for research purposes.
Massachusetts State Library Flickr collections:
Holyoke Queen of Industrial Cities Exhibit (2010)
The exhibit above, plus maps of Holyoke
Library of Congress Prints and Photographs Division
Great resource for old historic images of all sorts – free to use for educational purposes
American Antiquarian Society - Worcester
Good resources for history teachers on this site.
Websites and online publications
Historic Holyoke Massachusetts
Private blog with abridged editions of early histories of Holyoke and photographs.
Histories of the Holyoke Water Power Company and Holyoke Gas and Electric
Click on the images on the right of the screen for access to the texts.
Historic Preservation Resources
Massachusetts Historical Commission Database (Historic home inventory)
Historic New England (Preservation Resources)
Historic New England - Architectural Style Guide
Springfield Preservation Trust
Historic Buildings of Massachusetts
Private blog that includes 24 contemporary photographs of historic Holyoke buildings, with descriptions.
Exhibits, Directory of Holyoke Cultural and Arts Organizations
Springfield Museum Library and Archives
Trustees of the Reservations
Resources for visitors to Holyoke