Walt Whitman Papers in the Charles E. Feinberg Collection: Supplementary File, 1806-1981; Speeches and Writings File, 1866-1978; Books; Traubel, Horace; In Re Walt Whitman ( 1893 ); Articles; Kennedy, William Sloane; "Dutch Traits of Walt Whitman," Conservator ( 1891, Feb. ), offprint with corre