In 1895, after completion of the church edifice, she published the Church Manual of The First Church of Christ, Scientist (or Manual of The Mother Church), setting down rules of governance and standards of conduct for members of her church.
She continued to revise and update the Manual as events required. The final and definitive Church Manual was approved by Mrs. Eddy and published as the 89th edition, December 17, 1910.
Manual of The Mother Church, 1st edition; 89th edition