Police Journal: Beurre vs Margarine
| Series | Police Journal |
| Editor of Publications | Les Éditions Police Journal Enrg. |
| Publisher | Police-Journal Enrg. |
| About/Subject | La Fameuse Affaire Riel, Le Meurtre de St-Norbert, La Résurection des Contrebandiers, La Vague des Crimes Déferle..., "Wild Bill" Donovan, le Premier Espion du Monde!, Les 5 Billets de $500.!, Un Vagabond Parle! |
| Contributing Writer | Paul Verchères, Hercule Valjean |
| Format | Journal |
| Language | French |
| Location | Montréal |
| Cover Date | 1948-01-10 |
| Pages / Font | 16 pages |
| Price | 5¢ |
| Volume Number | 7 |
| Issue Number | 41 |
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