| Doctor Thaddeus C. Harker in Detective Dime Novels by Edwin Truett Long | 
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| Story Title |
Date Published |
Reprint Publication Title |
Reprint Publisher |
Reprint Date |
|
| 1 | Crime Nest | 04/40 | Behind the Mask #9 | Fading Shadows Inc. | Summer 1991 |
| Doctor Thaddeus C. Harker, The Complete Tales |
Altus Press |
07/13 |
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| Doctor Thaddeus C. Harker in Red Star Detective Novels by Edwin Truett Long | |||||
| 2 |
Woe to the Vanquished |
06/40 |
Behind the Mask #10 |
Fading Shadows Inc. |
Fall 1991 |
| Doctor Thaddeus C. Harker, The Complete Tales |
Altus Press |
07/13 |
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| 3 | South of the Border | 08/40 | Behind the Mask #26 | Fading Shadows Inc. | 05/94 |
| Doctor Thaddeus C. Harker, The Complete Tales |
Altus Press |
07/13 |
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