5 • Introduction (The Golden Years of Science Fiction: Fourth Series) • essay by Martin H. Greenberg

13 • The Waveries • (1945) • short story by Fredric Brown

37 • The Piper's Son • [Baldy] • (1945) • novelette by Henry Kuttner and C. L. Moore [as by Lewis Padgett]

65 • Wanted - An Enemy • (1945) • short story by Fritz Leiber

80 • Blind Alley • [Foundation Universe] • (1945) • short story by Isaac Asimov

105 • Correspondence Course • (1945) • short story by Raymond F. Jones

126 • First Contact • (1945) • novelette by Murray Leinster

159 • The Vanishing Venusians • [Venus (Brackett)] • (1945) • novelette by Leigh Brackett

189 • Into Thy Hands • (1945) • short story by Lester del Rey

211 • Camouflage • (1945) • novelette by Henry Kuttner and C. L. Moore [as by Lewis Padgett]

246 • The Power • (1945) • short story by Murray Leinster

264 • Giant Killer • (1945) • novelette by A. Bertram Chandler

313 • What You Need • (1945) • short story by Henry Kuttner and C. L. Moore [as by Lewis Padgett]

329 • A Logic Named Joe • (1946) • short story by Murray Leinster [as by Will F. Jenkins]

346 • Memorial • (1946) • short story by Theodore Sturgeon

361 • Loophole • (1946) • short story by Arthur C. Clarke

369 • The Nightmare • (1946) • novelette by Chan Davis

390 • Rescue Party • (1946) • novelette by Arthur C. Clarke

417 • Placet Is a Crazy Place • (1946) • short story by Fredric Brown

432 • Conquerors' Isle • (1946) • short story by Nelson S. Bond

447 • Lorelei of the Red Mist • [Venus (Brackett)] • (1946) • novella by Leigh Brackett and Ray Bradbury

505 • October 2026—The Million-Year Picnic? • [The Martian Chronicles] • (1959) • short story by Ray Bradbury (variant of The Million Year Picnic 1946)

515 • The Last Objective • (1946) • novelette by Paul A. Carter

544 • Meihem in ce Klasrum • (1946) • essay by Dolton Edwards

548 • Vintage Season • (1946) • novelette by Henry Kuttner and C. L. Moore [as by Lawrence O'Donnell]

592 • Evidence • [Susan Calvin] • (1946) • novelette by Isaac Asimov

615 • Technical Error • (1946) • short story by Arthur C. Clarke

7 • Introduction (The Golden Years of Science Fiction: Fifth Series) • essay by uncredited

15 • Little Lost Robot • [Susan Calvin] • (1947) • novelette by Isaac Asimov

42 • Tomorrow's Children • [Tomorrow's Children • 1] • (1947) • novelette by Poul Anderson and F. N. Waldrop

71 • Child's Play • [Child's Play (William Tenn) • 1] • (1947) • novelette by William Tenn

100 • Time and Time Again • (1947) • short story by H. Beam Piper

119 • Tiny and the Monster • (1947) • novelette by Theodore Sturgeon

155 • E for Effort • (1947) • novelette by T. L. Sherred

207 • Letter to Ellen • (1947) • short story by Chan Davis

220 • The Figure • (1947) • short story by Edward Grendon

226 • With Folded Hands ... • [Humanoids] • (1947) • novelette by Jack Williamson

272 • The Fires Within • (1947) • short story by Arthur C. Clarke

282 • Zero Hour • (1947) • short story by Ray Bradbury

293 • Hobbyist • (1947) • novelette by Eric Frank Russell

327 • Exit the Professor • [Hogben • 2] • (1947) • short story by Henry Kuttner and C. L. Moore [as by Lewis Padgett]

343 • Thunder and Roses • (1947) • novelette by Theodore Sturgeon

367 • Don't Look Now • (1948) • short story by Henry Kuttner

381 • He Walked Around the Horses • [Paratime Police] • (1948) • novelette by H. Beam Piper

403 • The Strange Case of John Kingman • (1948) • short story by Murray Leinster

420 • That Only a Mother • (1948) • short story by Judith Merril

431 • The Monster • (1948) • short story by A. E. van Vogt

448 • Dreams Are Sacred • (1948) • novelette by Peter Phillips

471 • Mars Is Heaven! • [The Martian Chronicles] • (1948) • short story by Ray Bradbury

489 • Thang • (1948) • short story by Martin Gardner

492 • Brooklyn Project • (1948) • short story by William Tenn

503 • Ring Around the Redhead • (1948) • short story by John D. MacDonald

523 • Period Piece • (1948) • short story by John R. Pierce [as by J. J. Coupling]

532 • Dormant • (1948) • short story by A. E. van Vogt

549 • In Hiding • [Children of the Atom] • (1948) • novelette by Wilmar H. Shiras

583 • Knock • (1948) • short story by Fredric Brown

594 • A Child Is Crying • (1948) • short story by John D. MacDonald

607 • Late Night Final • (1948) • novelette by Eric Frank Russell