John Gregory Betancourt | Hooded Detective (vol. 3, No. 2) |

Hooded Detective (january, 1942) By John, Gregory Betancourt

John Gregory Betancourt | Oriental Stories (vol. 2, No. 2) |

John Gregory Betancourt Spicy-adventure Stories (vol. 4, No. 3)

Spicy Adventure Stories (vol. 11, No. 2) | John Gregory Betancourt |

John Gregory Betancourt The Thrill Book (vol. 2, No. 5) (taschenbuch)

Spicy Mystery Stories (vol. 8 No. 6) | John Gregory Betancourt |

John Gregory Betancourt | Ghost Stories (vol. 10, No. 6) | Taschenbuch

John Gregory Betancourt | Adventure Tales 2 | Taschenbuch | Englisch

John Gregory Betancourt | The Black Mask Magazine 2 | Taschenbuch |

John, Gregory Betancourt Pulp Classics (taschenbuch)

John Gregory Betancourt | Tales Of Magic And Mystery 3 | Taschenbuch |

Adventure Tales 3 [book Paper Edition] By John, Gregory Betancourt

John Gregory Betancourt Serve It Forth (taschenbuch)

John Gregory Betancourt | Submarine Stories Magazine | Taschenbuch |

Oriental Stories, Vol 2, No. 1 (winter 1932) By John Gregory