William Speer is buried at Allegheny Cemetery, Pittsburgh, Pennsylvania.
China and California (1853)
An Humble Plea, Addressed to the Legislature of California, in Behalf of the Immigrants From the Empire of China to This State (1856)
The Oldest and Newest Empire: China and the United States (1870)
The Great Revival of 1800 (1872)
God's Rule for Christian Giving: A Practical Essay on the Science of Christian Economy (1875)