Jelaskan Sejarah publikasi dari Unfinished Portrait (novel)

1934, William Collins & Sons (London), Maret 1934, Sampul keras, 320 halaman

1934, Doubleday (New York), 1934, Sampul keras, 323 halaman

1964, Dell Books (New York), Sampul kertas, 284 halaman

1972, Arbor House (New York), Sampul keras, 284 halaman

1986, Fontana Books (Percetakan HarperCollins), Sampul kertas,