→External links
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{{Wikipedia|Marco_Polo_(Doctor_Who)}} | {{Wikipedia|Marco_Polo_(Doctor_Who)}} | ||
[[Category:First Doctor episodes]] | |||
[[Category:First Doctor | |||
[[Category:Historical stories]] | [[Category:Historical stories]] | ||
[[[[Category:Stories set | [[Category:Stories set on Earth]] | ||
[[Category:Stories set in the 13th century]] |