A particular area of interest has been left wing parties with a formal commitment to intra-party democracy and how this has worked out in practice. (theconversation.com)
The 1985 Local Elections saw a Labour Party — which was part of a coalition government with Fine Gael — fare poorly, with its national share of the vote dropping to just over seven percent and with its position as the leading left wing party being usurped by a major contender for this position, namely the Workers Party. (adriankavanaghelections.org)
They do sometimes form alliance with parlamentary left wing parties for some demonstrations or similar events. (politics.stackexchange.com)