Liberty ship plans are occasionally available on the U.S. version of ebay.com. For example, there is a set of plans now available for sale/auction at http://www.ebay.com/itm/liberty-ship-boat-model-boat-plans-/200693041898?pt=LH_DefaultDomain_0&hash=item2eba3ccaea. The seller will ship to Europe.
Also another of the same item and the same seller, but with more time to bid, is at http://www.ebay.com/itm/liberty-ship-boat-model-boat-plans-/200617028259?pt=LH_DefaultDomain_0&hash=item2eb5b4eaa3.
Ron Carlson, Webmaster
Armed Guard / Merchant Marine website