Contents
| Page | Type | Kind | Title | Author(s) |
|---|---|---|---|---|
| 6 | Serial | Fiction | Inheritance (Part 1 of 2) | Robert Wells |
| 78 | Short Fiction | Fiction | The Hornets of Valora | William Lee |
| 99 | Essay | Non Fiction | SF Calendar (Worlds of If, September-October 1973) | uncredited |
| 102 | Short Fiction | Fiction | Sentience | Lee Killough |
| 118 | Short Fiction | Fiction | The Learning of Eeshta | F. M. Busby |
| 131 | Short Fiction | Fiction | Time of the Cetis | Gene Kilczer |
| 145 | Essay | Non Fiction | Reading Room (Worlds of If, September-October 1973) | Lester del Rey |
| 146 | Review | Non Fiction | Time Enough for Love | Robert A. Heinlein & Lester del Rey |
| 151 | Short Fiction | Fiction | The Merchant | Larry Eisenberg |
| 160 | Short Fiction | Fiction | Space Bounce | Stephen Tall |
| Page | Type | Kind | Title | Author(s) |
|---|---|---|---|---|
| Editor | Non Fiction | Worlds of If (UK) - 1973 | Ejler Jakobsson | |
| Cover Art | Non Fiction | Worlds of If, September-October 1973 | David A. Hardy | |
| 6 | Interior Art | Non Fiction | Inheritance (Part 1 of 2) | Jack Gaughan |
| 78 | Interior Art | Non Fiction | The Hornets of Valora | uncredited |
| 102 | Interior Art | Non Fiction | Sentience | Jack Gaughan |
| 118 | Interior Art | Non Fiction | The Learning of Eeshta | uncredited |
| 131 | Interior Art | Non Fiction | Time of the Cetis | Jack Gaughan |
| 151 | Interior Art | Non Fiction | The Merchant | uncredited |
| 160 | Interior Art | Non Fiction | Space Bounce | Jack Gaughan |