New York: Longmans, Green, and Co, (1949). Hardcover first edition - A warm biography of this German-born immigrant who became President Lincoln's private secretary by his daughter. Although he had had a significant early career as editor in Illinois, and a political power in that state and went on to co-write the definitive biography of Lincoln and much more afterwards, it was the 4 years - from 1861 to Lincoln's death - that were the center of his life. Illustrated with photographs. Index. x, 363 pp.