[WORLD AUTHORS]. DUMAS, Alexandre, fils (1824-1895). Autograph letter signed ("A Dumas fils"), in French, to an unnamed recipient, n.p., n.d. 1 page, 8vo, a few minor marginal stains. Dumas arranges a meeting between the recipient and Miss Delaports. -- IONESCO, Eugene (1909-1994). Autograph letter signed ("Ionesco"), to an unidentified recipient [but probably Maurice Roche], n.p., n.d. 1 page, 8vo, on a grid-lined sheet, pencil address presumably in the author's hand in wide upper margin. Ionesco apologies that the recipient had to wait for a speech, but promises it is coming soon, as he has just found his inspiration. -- SANTAYANA, George (1863-1952). Autograph letter signed ("G. Santayana"), to Reverend Theodore Sedgwick, Rome, Italy, 18 November 1930. 2 pages, 8vo, with original hand-addressed envelope. Santayana makes plans for a lunch date with the recipient. -- Together, 3 manuscripts.