Invincible Detective Magazine
the same publisher under the same series title of which only two undated examples are known - The Counterfeiters by Rex YoungUnited Kingdom1949–195467 issues
IN#V01N01 (1949-December)#V01N01 (1949-December)
- IN#V01N02 (1950-January)
#V01N02 (1950-January)
- IN#V01N03 (1950-February)
#V01N03 (1950-February)
- IN#V01N04 (1950-March)
#V01N04 (1950-March)
- IN#V01N05 (1950-April)
#V01N05 (1950-April)
- IN#V01N06 (1950-May)
#V01N06 (1950-May)
- IN#V01N07 (1950-June)
#V01N07 (1950-June)
- IN#V01N08 (1950-July)
#V01N08 (1950-July)
- IN#V01N09 (1950-August)
#V01N09 (1950-August)
- IN#V01N10 (1950-September)
#V01N10 (1950-September)
- IN#V01N11 (1950-October)
#V01N11 (1950-October)
- IN#V01N12 (1950-November)
#V01N12 (1950-November)
- IN#V01N13 (1950-December)
#V01N13 (1950-December)
- IN#V02N14 (1951-January)
#V02N14 (1951-January)
- IN#V02N15 (1951-February)
#V02N15 (1951-February)
- IN#V02N16 (1951-March)
#V02N16 (1951-March)
- IN#V02N17 (1951-April)
#V02N17 (1951-April)
- IN#V02N18 (1951-May)
#V02N18 (1951-May)
- IN#V02N19 (1951-June)
#V02N19 (1951-June)
- IN#V02N20 (1951-July)
#V02N20 (1951-July)
- IN#V02N21 (1951-August)
#V02N21 (1951-August)
- IN#V02N22 (1951-September)
#V02N22 (1951-September)
- IN#V02N23 (1951-October)
#V02N23 (1951-October)
- IN#V02N24 (1951-November)
#V02N24 (1951-November)
- IN#V02N25 (1951-December)
#V02N25 (1951-December)
- IN#V03N26 (1952-January)
#V03N26 (1952-January)
- IN#V03N27 (1952-February)
#V03N27 (1952-February)
- IN#V03N28 (1952-March)
#V03N28 (1952-March)
- IN#V03N29 (1952-April)
#V03N29 (1952-April)
- IN#V03N30 (1952-May)
#V03N30 (1952-May)
- IN#V03N31 (1952-June)
#V03N31 (1952-June)
- IN#V03N32 (1952-July)
#V03N32 (1952-July)
- IN#V03N33 (1952-August)
#V03N33 (1952-August)
- IN#V03N34 (1952-September)
#V03N34 (1952-September)
- IN#V03N35 (1952-October)
#V03N35 (1952-October)
- IN#V03N36 (1952-November)
#V03N36 (1952-November)
- IN#V03N37 (1952-December)
#V03N37 (1952-December)
- IN#V04N38 (1953-January)
#V04N38 (1953-January)
- IN#V04N39 (1953-February)
#V04N39 (1953-February)
- IN#V04N40 (1953-March)
#V04N40 (1953-March)
- IN#V04N41 (1953-April)
#V04N41 (1953-April)
- IN#V04N42 (1953-May)
#V04N42 (1953-May)
- IN#V04N43 (1953-June)
#V04N43 (1953-June)
- IN#V04N44 (1953-July)
#V04N44 (1953-July)
- IN#V04N45 (1953-August)
#V04N45 (1953-August)
- IN#V04N46 (1953-September)
#V04N46 (1953-September)
- IN#V04N47 (1953-October)
#V04N47 (1953-October)
- IN#V04N48 (1953-November)
#V04N48 (1953-November)
- IN#V04N49 (1953-December)
#V04N49 (1953-December)
- IN#V05N50 (1954-January)
#V05N50 (1954-January)
- IN#V05N51 (1954-February)
#V05N51 (1954-February)
- IN#V05N52 (1954-March)
#V05N52 (1954-March)
- IN#V05N53 (1954-April)
#V05N53 (1954-April)
- IN#V05N54 (1954-May)
#V05N54 (1954-May)
- IN#V06N55 (1954-June)
#V06N55 (1954-June)
- IN#V05N56 (1954-July)
#V05N56 (1954-July)
- IN#V05N57 (1954-July)
#V05N57 (1954-July)
- IN#V05N58 (1954-August)
#V05N58 (1954-August)
- IN#V05N59 (1954-August)
#V05N59 (1954-August)
- IN#V05N60 (1954-September)
#V05N60 (1954-September)
- IN#V05N61 (1954-September)
#V05N61 (1954-September)
- IN#V05N62 (1954-October)
#V05N62 (1954-October)
- IN#V05N63 (1954-October)
#V05N63 (1954-October)
- IN#V05N64 (1954-November)
#V05N64 (1954-November)
- IN#V05N65 (1954-November)
#V05N65 (1954-November)
- IN#V05N66 (1954-December)
#V05N66 (1954-December)
- IN#V05N67 (1954-December)
#V05N67 (1954-December)