""Commemorative Exercises At The One Hundredth Anniversary Of The Organization Of Park Street Church: February 26-March 3, 1909"" is a historical book written by Arcturus Z. Conrad. The book is about the celebrations that took place at the Park Street Church in Boston, Massachusetts, to mark its 100th anniversary. The author provides a detailed account of the various events that took place during the week-long celebrations, including sermons, speeches,...