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

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

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

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

John Gregory Be Spicy Adventure Stories (vol. (taschenbuch) (presale

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

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

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

John Gregory Betancourt | Adventure Tales 2 | Taschenbuch | Englisch

John Gregory Betancourt | Submarine Stories Magazine | Taschenbuch |

Sinister Stories 1 | John Gregory Betancourt | Taschenbuch | Paperback

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

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

Pulp Classics: Spicy Mystery Stories (february 1937) By John Gregory

Pulp Classics: Ghost Stories (june 1931) By John Gregory Betancourt

John, Gregory Betancourt Pulp Classics (taschenbuch)