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Mary Baker Eddy Library

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Mary Baker Eddy Library

Our Research Room is open Monday–Thursday, 11:00 a.m.–3:00 p.m. No appointment is needed during these hours.
PLEASE NOTE: The Research Room will be closed on Thursday, August 27, for an employee event.

Our Research Room is open Monday–Thursday, 11:00 a.m.–3:00 p.m. No appointment is needed during these hours.

Image description: Color photograph of a page from the Manual of The Mother Church, showing the top left corner of the book with the "Prayer in Church" By-law visible on the page. The book is resting on an off-white piece of painted wood.
What is known about the By-Law “Prayer in Church”?

Ask a Researcher

Learn what Mary Baker Eddy said about including this text in the Manual of The Mother Church.

Mary Baker Eddy, c. 1871. P00016. W. T. Bowers; John G. Whittier, undated. 1922.001.0563.3. Unknown photographer. Courtesy of Longyear Museum, Chestnut Hill, Massachusetts.
Mary Baker Eddy and John Greenleaf Whittier

Ask a Researcher

Learn about a notable 1868 visit between the two of them in Amesbury, Massachusetts.

Portrait of Antoinette Perry
Caroline B. Getty

Women of History

Meet a woman who helped establish Christian Science in France.

Image description: Collage of two images. From left to right: Greyscale portrait of Augusta Fairchild from a newspaper article, in which she is seated and wearing a polished outfit and eyeglasses. Here she is more senior than when she would have known Mary Baker Eddy. Handwritten letter, with writing going left to right as well as up and down on the page. The signature "Augusta Fairchild" is visible among the writing.
"Instructions, rebuke and encouragement"—Eddy's letters to Daisette and William McKenzie

From the Papers

Read insights we’ve been gaining from her correspondence with two students she deeply valued.

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Welcome to The Mary Baker Eddy Library

Since opening to the public in 2002, the Library has offered a place to explore the life, ideas, and achievements of Mary Baker Eddy, who discovered and founded Christian Science—a pioneer whose work touched the fields of religion, health, and journalism. 

The Library houses a rich and extensive collection of original materials that includes documents, art and historic artifacts, photographs, books, and audiovisuals that document the history of the church she founded, up to the present day. 

Explore this website to learn about the Library’s article content, programs, exhibits, and archives. Ask us your questions…and read about our research.

Video: “Mary Baker Eddy: A Life of Discovery”

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