Alan Class Comics was a British comics publishing company between 1959 and 1989, owned by Alan Class (born in London, England, 21st July 1937). The Company produced anthology titles, reprinting comics stories from many U.S. publishers of the 1940's to 1960's in a black and white digest format for a U.K. audience.
Secrets of the Unknown
Secrets of the Unknown #71
Secrets of the Unknown #122
Secrets of the Unknown #150
Secrets of the Unknown #169
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Secrets of the Unknown #229