Abstract Correspondence between Oliver R. Barrett, lawyer and collector of Abraham Lincoln material and poet Carl Sandburg, primarily pertaining to the interest of both men in Lincoln, plus a few other letters of Oliver Barrett and his son Roger; numerous brief undated notes from Sandburg to Barrett and work notes on Lincoln's biography by both men; copies of several articles and numerous poems by Sandburg; miscellaneous printed items relating to Sandburg, his work and his public appearances; and...