Another Top-50 SFF List

It's actually the top 50 of a list of almost 200. The ones I've read are in bold print:

1 The Demolished Man; Bester, Alfred

2 More Than Human; Sturgeon, Theodore

3 Dune; Herbert, Frank

4 The Foundation Trilogy; Asimov, Isaac

5 A Canticle for Leibowitz; Miller, Walter M.

6 Stand on Zanzibar; Brunner, John

7 The Left Hand of Darkness; Le Guin, Ursula K.

8 The Time Machine; Wells, H. G.

9 The War of the Worlds; Wells, H. G.

10 Childhood's End; Clarke, Arthur C.

11 The Martian Chronicles; Bradbury, Ray

12 The Space Merchants; Pohl & Kornbluth

13 The Stars My Destination; Bester, Alfred

14 Ringworld; Niven, Larry

15 The Dispossesed; Le Guin, Ursula K.

16 1984; Orwell, George

17 City; Simak, Clifford

18 Mission of Gravity; Clement, Hal

19 The Man in the High Castle; Dick, Philip K.

20 Brave New World; Huxley, Aldous

21 The City and the Stars; Clarke, Arthur C.

22 Stranger in a Strange Land; Heinlein, Robert A.

23 To Your Scattered Bodies Go; Farmer, Philip Jose

24 Rendezvous with Rama; Clarke, Arthur C.

25 The Forever War; Haldeman, Joe

26 Gateway; Pohl, Frederik

27 Last and First Men; Stapledon, Olaf

28 The World of Null-A; Van Vogt, A. E.

29 Fahrenheit 451; Bradbury, Ray

30 A Case of Conscience; Blish, James

31 The Long Afternoon of Earth; Aldiss, Brian

32 The Moon is a Harsh Mistress; Heinlein, Robert A.

33 Flowers for Algernon; Keyes, Daniel

34 Dying Inside; Silverberg, Robert

35 Star Maker; Stapledon, Olaf

36 Slan; Van Vogt, A. E.

37 The Humanoids; Williamson, Jack

38 A Clockwork Orange; Burgess, Anthony

39 Way Station; Simak, Clifford

40 Camp Concentration; Disch, Thomas

41 Timescape; Benford, Gregory

42 Frankenstein; Shelley, Mary Wollstonecraft

43 Earth Abides; Stewart, George R.

44 Lord of Light; Zelazny, Roger

45 The Book of the New Sun; Wolfe, Gene

46 A Princess of Mars; Burroughs, Edgar Rice

47 We; Zamiatin, Yevgeny

48 Do Androids Dream of Electric Sheep?; Dick, Philip K.

49 Solaris; Lem, Stanislaw

50 Downbelow Station; Cherryh, C. J.

The list came from this site. There's an essay here explaining the list.