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

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

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

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

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

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

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

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

John Gregory Betancourt | Submarine Stories Magazine | Taschenbuch |

John Gregory Betancourt | Sinister Stories 1 | Taschenbuch | Englisch

John Gregory Betancourt | Adventure Tales 2 | Taschenbuch | Englisch

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

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

John, Gregory Betancourt Pulp Classics (taschenbuch)

John Gregory Betancourt Serve It Forth (taschenbuch)

Farnsworth Wright | Oriental Stories, Vol 1, No. 4 (spring 1931) |