Accents and Symbols

These are two reasonable solutions to formatting the paragraph. This one:

     !`Hola! The third \P\ of the 4th \S\
     shows that it costs \pounds 43 to buy an
     encyclop\ae dia (\`a la this one).

and this one:

     !`Hola! The third {\P} of the 4th \S{}
     shows that it costs {\pounds}43 to buy
     an encyclop{\ae}dia (\`a la this one).