In old writing, "Chas." is short for Charles. What name is "Jas." short for?

Chartered in 1769, which Ivy League school is New Hampshire's oldest college? Chartered in 1781, which state capital is named for a city in southern France? Hammerfest, which received its town charter in 1789 and is often called Europe's northernmost town, is in which country? Charles Fleischer voiced Benny the Cab and the title character in which 1988 blockbuster? In 1386 Geoffrey Chaucer became a member of Parliament for which English county? Chazz Palminteri plays a hit man hired to kill Cher in which 1996 black comedy? Which country's army moved into the breakaway republic of Chechnya in 1994? Which player won the NHL's Hart Trophy as MVP in 1990 with Edmonton and in 1992 with the New York Rangers?