Index: Papers of John Adams, Volume 18 French language 2 JA writes letter in PJA18 378 379 2 as lingua franca PJA18 173 304 1 Abdrahaman speaks PJA18 165 1 JA’s fluency in PJA18 49 1 more widely read than English in Europe PJA18 225 1 Moroccan-Amer. treaty translated from Arabic into PJA18 462 1 use of in Morocco PJA18 446