"These church records are the single greatest untapped primary resource in American history. My deep engagement with the records of so many towns over so many centuries enables me to challenge some well-established ideas about religion and society," and have "revolutionized my scholarly understanding of the puritans."

"From stumbling onto the first Polish woman pastor in history in their reading room, to providing me a research fellowship and guidance with their collection, the CLA has broadened my research and the scope of my book. I cannot imagine it without them and their help. They are as amazing as their collection."

"As a historian studying the religious lives of people of color in early America, the Congregational Library's holdings have been vital to my research. I have truly enjoyed working with, and benefiting from the expertise of, some of the most impressive library staff I've ever encountered in two decades of historical research."