Source? You can get some right old crap off Ebay. Life gets better
with Mouser or Digikey (if a bit more expensive, but worth the extra).
"There are, besides, eternal truths, such as Freedom, Justice, etc., that are
common to all states of society. But Communism abolishes eternal truths, it
abolishes all religion,and all morality, instead of constituting them on a new
basis; it therefore acts in contradiction to all historical experience."
- The Communist Manifesto, Marx & Engels.