The Harvard Guide has a long and distinguished history in the annals of reference works. First prepared in 1896 by Albert Bushnell Hart and Edward Charming, it was a unique scholarly tool. Revised in 1912 by Hart, Charming, and Frederick Jackson Turner, the Guide carried its entries through 1910 and became the standard text. In 1954 the Harvard Guide to American History appeared, prepared and edited by members of the History Department of Harvard:...