Hard SF : Suggested SF Reading : Project Gutenberg
Below is a list authors who have works associated with SF or proto-SF that are available for free at Project Gutenberg. There are links to the author’s listing at Gutenberg. Not all of an author’s works are necessarily SF. A couple of these authors do not currently have works available in English.
Abbott, Edwin
About, Edmond
Allen, Grant
Anderson, Poul
Anderson, Sherwood
Appleton, Victor
Arnold, Edwin
Astor, John Jacob
Badger, Joseph
Bellamy, Edward
Benson, Robert
Besant, Walter
Blish, James
Bone, Jesse
Bradley, Marion Zimmer
Burroughs, Edgar Rice
Butler, Samuel
Cabell, James Branch
Campbell, John W.
Capek, Karel
Carr, Terry
Centennius, Ralph
Clarke, Marcus
Cocking, Ron
Collins, Wilkie
Cooper, Michael
Corelli, Marie
Cowan, James
Crosby, Ernest
Cummings, Ray
Dake, Charles
De Mille, James
Defoe, Daniel
Del Rey, Lester
Doctorow, Cory
Donnelly, Ignatious
Douglas, Jack
Doyle, Arthur Conan
Dye, Charles
Ellis, Edward
Emerson, Willis
England, George
Eros Urides
Evans, Edward Everett
Fairman, Paul
Falkner, John
Flammarion, Camille
Flint, Homer Eon
Fontenay, Charles
Fyfe, Horace
Gallun, Raymond
Garby, Lee Hawkins
Garnett, David
Garrett, Randall
Gilman, Charlotte
Glanzman, Louis
Godwin, Tom
Goodwin, Harold
Gorky, Maxim
Grautoff, Ferdinand
Graves, C. L.
Greg, Percy
Griffith, George
Grisewood, R. Norman
Haggard, H. Rider
Hale, Edward
Hamilton, Edmond
Harben, William
Hardart, E. E.
Harris, William Shuler
Harrison, Harry
Hastings, Milo
Herbert, Frank
Hertzka, Theodor
Hodgson, William Hope
Hoffmann, E T A
Hope, Anthony
Howells, William Dean
Hudson, William Henry
Huxley, Aldous
Hyne, Charles
Jefferies, Richard
Jerome, Jerome K
Kennon, J. L.
Kingsley, Charles
Knight, Damon
Laumer, Keith
Leadem, Christopher
Leiber, Fritz
Leinster, Murray
Lewis, C S
Lewis, Sinclair
Lindsay, David
London, Jack
Long, Frank Belknap
Lucian Of Samosata
Lumley, Benjamin
Lytton, Edward Bulwer
MacClure, Victor
McGuire, John Joseph
Merritt, Abraham
Mitchell, John Amos
Moffett, Cleveland
Moldeven, Meyer
Moore, Ward
More, Thomas
Morris, William
Munro, John
Niemann, August
Norton, Andre
Nourse, Alan E.
O'Brien, Fitz-James
Piper, H. Beam
Poe, Edgar Allan
Pohl, Frederik
Raphael, Rick
Rees, Arthur
Reeve, Arthur
Reynolds, Mack
Rockwell, Carey
Rockwood, Roy
Saki
Savage, Blake
Schmitz, James
Serviss, Garrett
Sheckley, Robert
Shelley, Mary
Shiel, M. P.
Silverberg, Robert
Simak, Clifford
Slesar, Henry
Smith, E. E.
Smith, George Oliver
Spence, Catherine
Stevenson, Robert Louis
Stockton, Frank
Swift, Jonathan
Towers, Walter Kellogg
Train, Arthur
Tucker, George
Vandenberg, G. L.
Verne, Jules
Vonnegut, Kurt
Walsh, James Morgan
Waterloo, Stanley
Weinbaum, Stanley
Wellman, Manly
Wells, H. G.
Wicks, Robert
Wilson, Robert H.
20120915060507