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| 1944 | fill | No. 1 | |
| 1944 | fill | No. 2 | |
| 1944 | fill | No. 3 | |
| 1944 | fill | No. 4 | |
| 1944 | fill | No. 5 | |
| 1944 | fill | No. 6 | |
| 1944 | fill | No. 7 | |
| 1944 | fill | No. 8 | |
| 1944 | fill | No. 9 | |
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| 1945 |
 | No. 10 | The Man Who Murdered Himself by G. Homes |
| 1945 |
 | No. 11 | Outlaws Three by Peter Field |
| 1945 |
 | No. 12 | Murder Without Make-up by Edla Benjamin |
| 1945 | | No. 13 | Here Comes the Corpse, George Bagby |
| 1945 | | No. 14 | Diagnosis: Murder, Rufus King |
| 1945 | ? 1940 | No. 15
 | Ghost Trails, William C. Tuttle |
| 1945 | | No. 16 | Renegade Roundup by William Colt MacDonald |
| 1945 | | No. 17 | As Good As Murdered, James O'hanlon |
| 1945 | | No. 18 | Stab In the Back by Philip Wylie and Bottom Deal by Judson Philips |
| 1945 | | No. 19 | Fair Warning by Mignon Eberhart |
| 1945 | | No. 20 | Gun Bulldogger, Eugene Cunningham |
| 1945 | | No. 21 | The Sulu Sea Murders, Van Wyck Mason |
| 1945 | | No. 22 | Trigger Vengeance, John Trace |
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| 1945 | | No. 23 | Death Came Dancing, Kathleen Moore Knight |
| 1945 |
 | No. 24 | The Trail of Gold, Dane Coolidge |
| 1945 | | No. 25 | Time Off For Murder, Zelda Popkin |
| 1945 |
 | No. 26 | Fallen Angel, Marty Holland |
| 1945 |
 | No. 27 | Picture of the Victim, John F. Strange |
| 1945 | | No. 28 | Bad For Business, Rex Stout |
| 1945 | | No. 29 | All Concerned Notified, Helen Reilly |
| 1945 | | No. 30 | Weekend To Kill by Frederick Nebel and Secret Corridors by Hugh Pentecost |
| 1945 |
 | No. 31 | The Dark Corner, Leonard Q. Ross |
| 1945 | | No. 32 | The Shanghai Bund Murders, Van Wyck Mason |
| 1945 | | No. 33 | Corpses At Indian Stones, Philip Wylie |
| 1945 |
 | No. 34 | Red Gardenias, Jonathan Latimer |
| 1945 | | No. 35 | The Glass Slipper, Mignon G. Eberhart |
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| 1945 | fill | No. 36 | |
| 1945 | | No. 37 | Singapore, William Bogart |
| 1945 | fill | No. 38 | |
| 1945 | fill | No. 39 | |
| 1945 | fill | No. 40 | |
| 1945 | fill | No. 41 | |
| 1945 | fill | No. 42 | |
| 1945 | fill | No. 43 | |
| 1945 | fill | No. 44 | |
| 1945 | fill | No. 45 | |
| 1945 | fill | No. 46 | |
| 1945 | fill | No. 47 | |
| 1945 | fill | No. 48 | |
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| 1945 | fill | No. 49 | |
| Name changed to Century Western |
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| 1945 |
 | No. 50 | Dead Freight For Piute by Luke Short |
| 1945 |
 | No. 51 | Dust of the Trail by Bennett Foster |
| 1945 |
 | No. 52 | Danger On the Border, Frederick R. Bechdolt |
| 1945 |
 | No. 53 | Death Rides the Mesa by Tom Gill |
| 1945 | | No. 54 | The Leather Burners, Bliss Lomax |
| 1945 |
 | No. 55 | Don Desperado by L.l., Foreman |
| 1945 | | No. 56 | The Phantom Pass by William Colt MacDonald |
| 1945 | | No. 57 | Buckskin Empire, Harry Sinclair Drago |
| 1945 | | No. 58 | Gringo Gunfire by Bliss Lomax |
| 1945 |
 | No. 59 | Secret of the Wasteland by Bliss Lomax |
| 1945 | | No. 60 | Peace Marshall, Frank Gruber |
| 1945 |
 | No. 61 | Roaring Lead by William Colt MacDonald |
| 1945 |
 | No. 62 | Colt Comrades, Bliss Lomax |
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| 1945 | | No. 63 | Body and Soul, Jr., Sam Merwin |
| 1945 | | No. 64 | Outlaw, Frank Gruber |
| 1945 | | No. 65 | California Caballero by William Colt MacDonald |
| Name changed to Century Books |
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| 1946 | | No. 66 | Sleep My Love, Leonard Q. Ross |
| 1946 | | No. 67 | No Nice Girl, Perry Lindsay (Peggy Gaddis) |
| 1946 | | No. 68 | A Double Life, Manly Wade Wellman |
| 1946 | | No. 69 | California Caballero by William Colt MacDonald |
| 1946 | | No. 70 | The Cairo Garter Murders, Van Wyck Mason |
| 1946 |
 | No. 71 | Sign of the Gun by Archie Joscelyn |
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| 1947 |
 | No. 72 | Gunsight, Frank Gruber |
| 1947 | | No. 73 | Saddles West!, H.b. Hickley |
| 1947 | | No. 74 | Notched Guns, William Hopson |
| 1947 |
 | No. 75 | The Scarlet Sin, John Saxon |
| 1947 |
 | No. 76 | Powdersmoke Range by William Colt MacDonald |
| 1947 | | No. 77 | Blonde Trouble, Perry Lindsay (Peggy Gaddis) |
| 1947 |
 | No. 78 | Gunsmoke by Lee Floren |
| 1947 | | No. 79 | Love Business, William Arthur |
| 1947 |
 | No. 80 | Cue for Passion, Gordon Semple |
| 1947 | | No. 81 | Drygulch Canyon by Frederick R. Bechdolt |
| 1947 | | No. 82 | Ranger Justice by J. E. Grinstead |
| 1947 | | No. 83 | Ripe for Love, Carmen Gay |
| 1947 | | No. 84 | Marriage Is for Two, Phyllis Arthur |
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| 1947 | | No. 85 | Unashamed, Perry Lindsay |
| 1947 | | No. 86 | Bad Company, Gordon Semple |
| 1947 | | No. 87 | One More Lover, Thomas Stone |
| 1947 | | No. 88 | Hell's Horseman, William Hopson |
| 1947 |
 | No. 89 | Common Passion, John Saxon |
| 1947 | | No. 90 | Too Loose, Carlotta Baker |
| 1947 |
 | No. 91 | Scandalous, Ralph Carter |
| 1947 | | No. 92 | Outlaw Justice, Leigh Carder |
| 1947 | | No. 93 | The Fleshpots, Florenz Branch |
| 1947 | | No. 94 | Passion's Way, Gordon Semple |
| 1947 | | No. 95 | Teaser, Craig Shepard |
| 1947 | digest | No. 96 | Fallen Angel, Marty Holland |
| 1947 | pb | No. 96
 | Body for Sale, Elliot Brewster |
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| 1947 | | No. 97 | Call It Love, Hall Bennett |
| 1947 | | No. 98 | Quick Passion, Ralph Carter |
| 1947 |
 | No. 99 | Naughty and Nice, Gordon Semple |
| 1947 | | No. 100 | Dark Memory , Jonathan Latimer |
| 1947 | | No. 101 | Bright Star of Danger, W.C. Chambers |
| 1947 | | No. 102 | Hot Gold, Frederick R. bechdolt |
| 1947 | | No. 103 | Without Reservations by Jane Allen & Mae Livingston |
| 1947 |
 | No. 104 | The Green Man, Harold M. Sherman |
| 1947 |
 | No. 105 | Man-handled, Hall Bennett |
| 1947 | | No. 106 | Marriage Later, William Arthur |
| 1947 | | No. 107 | Inherited Husband, Cecile Gilmore |
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| 1948 | | No. 108 | Kept Woman, John Saxon |
| 1948 | | No. 109 | Passion's Lesson, Gordon Semple |
| 1948 | | No. 110 | Three Times Sin, Thomas Stone |
| 1948 |
 | No. 111 | Sinner Take All, William Arthur |
| 1948 | | No. 112 | Profane, Ralph Carter |
| 1948 | | No. 113 | Sinful Lady, Gordon Semple |
| 1948 | | No. 114 | Passion's Program, Florenz Branch |
| 1948 | | No. 115 | Two Time Lover, William Arthur |
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| 1949 | | No. 116 | Time Trap, Rog Phillips |
| 1949 | | No. 117 | Red for Passion, Thomas Stone |
| 1949 | | No. 118 | Desperado, William Hopson |
| 1949 |
 | No. 119 | Love Slave, Gail Jordan |
| 1949 | | No. 120 | Forbidden Sin, William Arthur |
| 1949 | | No. 121 | Voluptuous, Charles Thornton |
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| 1950 | | No. 122 | Passion's Sin, Ralph Carter |
| 1950 | | No. 123 | Past Folly, Florenz Branch |
| 1950 | | No. 124 | Worlds Within, Rog Phillips |
| 1950 | | No. 125 | Trigger Trails, Hamilton Craigie |
| 1950 | | No. 126 | Street Girl, Elliot Brewster |
| 1950 |
 | No. 127 | Charming Sinner, Barry Deforest |
| 1950 | | No. 128 | Bullet Trail, Burt Arthur |
| 1950 | | No. 129 | Tombstone Stage, William Hopson |
| 1950 | | No. 130 | Sinful Love, William Arthur |
| 1950 | | No. 131 | Reckless Range, Johnson Mcculley |
| 1950 | | No. 132 | Six-gun Stampede, by Jackson Cole |
| 1950 | | No. 133 | California Trail, H. Bedford Jones |
| 1950 | | No. 134 | Renegade Range, Archie Joscelyn |
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| 1950 | | No. 135 | Saddle Wolves, Allan K. Echols |
| 1950 | | No. 136 | Headed for a Hearse, Jonathan Latimer |
| 1950 | fill | No. 137 | |
| 1950 | fill | No. 138 | |