The links below provide access to a sampling of articles from historic newspapers that can be found in Chronicling America. You can further explore the topic of the "Boston Subway" using the following search strategies:
Use the following terms in combination, proximity, or as a phrase: Boston Subway
It is important to use a very narrow date range if looking for articles for a particular event in order to narrow your results.
Be prepared to distinguish between the many articles that discuss the other major subways, especially those in New York and London, being built around the early 20th century.