Archive History of the One Hundred and Fortieth Regiment Pennsylvania Volunteers Robert Laird Stewart ⬩ 1912
Archive Some Noteworthy Features in the Annals of the Mahoning Presbyterian Church, 1785–1910 Robert Laird Stewart ⬩ 1911
Archive Sheldon Jackson: Pathfinder and Prospector of the Missionary Vanguard in the Rocky Mountains and Alaska Robert Laird Stewart ⬩ 1908
