1. O. HENRY

  2. O'BRIEN, (Michael) FITZ-JAMES

  3. O'BRIEN, ROBERT C.

  4. OBRYAN, JOEY

  5. O'CONNOR, FLANNERY

  6. O'DONNELL, ELLIOTT

  7. O'DONNELL, K. M.; pseudonym of Barry N. Malzberg

  8. O'DONNELL, LAWRENCE; joint pseudonym of (Henry Kuttner & C. L. Moore)

  9. O'DONNELL, PETER

  10. O'DONNEVAN, FINN; pseudonym of Robert Sheckley

  11. O'DONOGHUE, MICHAEL

  12. O'DONOHOE, NICK

  13. O'DRISCOLL, MIKE

  14. O'KEEFE, CLAUDIA (Diane)

  15. O'LEARY, PATRICK

  16. O'NEILL, ANTHONY

  17. O'NEILL, GENE

  18. O'REILLY, ULRIKE

  19. O'SHAUGHNESSY, DARREN

  20. OSULLIVAN, VINCENT

  21. OATES, Joyce Carol

  22. OBERTH, Hermann

  23. OBOLER, ARCH(ie)

  24. OCAMPO, SILVINA

  25. ODOM, MEL(vin Lewis, III)

  26. OFFUTT, ANDREW J.

  27. OFFUTT, JODIE

  28. OGOT, GRACE

  29. OHARA, MARIKO

  30. OLIN, Richard

  31. OLIPHANT, MRS.

  32. OLIVER, Chad

  33. OLIVER, FRANCES

  34. OLIVER, FREDERICK S(pencer)

  35. OLIVER, Haim

  36. OLIVER, Owen; pseudonym of Sir Joshua Albert FLYNN

  37. OLIVIER, EDITH

  38. OLSEN, BOB

  39. OLTION, JERRY (Brian)

  40. ONIA, A.J.

  41. ONOPA, ROBERT

  42. ONSPAUGH, CARL

  43. OPPENHEIM, E(dward) PHILLIPS

  44. OPRIŢĂ, Mircea

  45. ORAMUS, MAREK

  46. ORGILL, DOUGLAS (William)

  47. ORWELL, George

  48. OSENKA, JANUSZ

  49. OSSOLA, Franco

  50. OSTERRATH, Jacqueline H.

  51. OTERO SILVA, MIGUEL

  52. OTTUM, Bob

  53. OVID

  54. OWEN, Thomas