Doctor Who and the Crusaders

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Overview:

Unknown. Doctor Who and the Crusaders (Unknown, Henry Fox, Target / Universal-Tandem, ISBN-10: 0426106717, £0.30, 160 pages, Paperback, Novel)
Unknown. Doctor Who and the Crusaders (Unknown, Henry Fox, W. H. Allen, ISBN-10: 0426113160, £1.50, 160 pages, Paperback, Novel)
Unknown. Doctor Who and the Crusaders (Unknown, Henry Fox, Frederick Muller Ltd, 12/6, 160 pages, Hardcover, Novel)
Unknown. Doctor Who and the Crusaders (Unknown, Henry Fox, White Lion, ISBN-10: 0856861626, £2.25, 160 pages, Hardcover, Novel)
1973 . Doctor Who and the Crusaders (1973, Henry Fox, Target / Universal-Tandem, ISBN-10: 0426101375, £0.25, 160 pages, Paperback, Novel)
2011 . Doctor Who and the Crusaders (2011, Henry Fox, BBC Books, ISBN-10: 9781849901901, £4.99, xii+171 pages, Paperback, Novel)