[12]H. G. Wells, The Time Machine, 1895

[13]Mark Twain, A Connecticut Yankee in King Arthur’s Court, 1889

[14]L. Sprague de Camp, Lest Darkness Fall, 1939

[15]Isaac Asimov, Foundation Trilogy, 1942——1950

[16]Jack Finney, Time and Again, 1970

[17]Ray Bradbury, The Sound of Thunder, 1952

[18]A. E. van Vogt, Recruiting Station, 1942

[19]Masters of Time, 1950

[20]Poul Anderson, Time Patrol, 1955

[21]Fritz Leiber, The Big Time, 1958

[22]Alternative History, 可以理解为常说的架空历史，但更强调真实历史，而不包括“架空”一词也常涉及的未来历史小说。

[23]J. C Squires, If It Had Happened Otherwise, 1931

[24]Winston Churchill, If Lee Had Not Won the Battle of Gettysburg

[25]James Thurber, If Grant Had Been Drinking at Appomattox, 真实历史是格兰特在这里接受了李代表南方军队投降，本作假设格兰特喝多了，结果现场向李签了投降书。

[26]Ward Moore, Bring the Jubilee, 1950 27 Philip K. Dick, The Man in the High Castle, 1962

[27]Philip K. Dick, The Man in the High Castle, 1962

[28]The Time Tunnel, 19660——1967, 这就是“正大剧场”播过的那个电视剧。

[29]T.L.Sherred, E for Effort, 1947

[30]Isaac Asimov, The Dead Past, 1946

[31]L.Ron Hubbard，To the Stars, 1958，作者创立了戴尼提和山达基。山达基（Scientology），又译科学神教，创建于1952年；戴尼提（Dianetics）是一套关于精神、心灵和身体之间关系的理论，是山达基的理论基础。

[32]Joe Haldeman, The Forever War, 1974

[33]Robert Heinlein, Time for the Stars, 1956

[34]Frederik Pohl, Gateway, 1977

[35]James Gunn, Gift from the Stars, 2005

[36]Henry Kuttner, The Twonky, 1942

[37]Cyril Kornbluth, The Little Black Bag, 1950

[38]Henry Kuttner 和C. L. Moore, Vintage Season, 1946；Mimsey Were the Borogoves, 1943

[39]Gregory Benford, Timescape, 1980

[40]指的是1981——1985年的一套科幻小说丛书“时景丛书”，包括超过三十部精装书和一百部平装书，其中许多作品被提名星云奖和雨果奖等重要科幻奖项。