The lost word, or, The search for truth : oration delivered before the Grand Lodge of the Most Ancient and Honorable Fraternity of Free Masons in the Republic of Liberia, Dec. 27, 1899, Monrovia

Spurgeon, a 33rd degree Mason in Liberia, talks about the ceremonies, mysteries, and philosophy of freemasonry.
LC has author's presentation copy.
Also available in digital form on the Library of Congress Web site.