Changes
WorldCat does not support LC subject headings; see Special:Diff/663943213
elseif parentArgs['LCCN'] and parentArgs['LCCN'] ~= '' then
local lccnParts = splitLccn( parentArgs['LCCN'] )
if lccnParts and lccnParts[1] ~= 'sh' then
table.insert( elements, createRow( 'LCCN', '', parentArgs['LCCN'], '[//www.worldcat.org/identities/lccn-' .. lccnParts[1] .. lccnParts[2] .. '-' .. lccnParts[3] .. ' WorldCat]', false ) )
end