Farnham, a junior wide receiver, had 285 all-purpose yards and Dereck Knight ran for 89 yards and a touchdown for the Bears (3-2 overall, 2-0 Ivy), who won for the first time at Princeton (2-3, 1-1) in five years.
Princeton's Meko McCray scored on a 12-yard sweep to cut Brown's lead to 14-10 in the second quarter, but was shut out the rest of the way.
Farnham's 46-yard punt return set up his 20-yard touchdown catch to give Brown a 24-10 lead, and he added a 3-yard run for the game's final score.
Ben Bologna's first career field goal opened the scoring for Princeton. Robert Ranney added a 33-yard field goal in the third quarter for Brown.
After Bologna's field goal, Dougherty ran for 34 yards on a keeper to set up Knight's 6-yard touchdown run. On Brown's next drive, Dougherty found Farnham for 28 yards to set up a 2-yard touchdown run by Bobby Sewall to give the Bears a 14-3 lead.
LSU added to its future running back group by picking up a commitment from the playmaking Edwards-Helaire.
Check out the final seconds of Duke's win over Virginia, with the Cavaliers' Malcolm Brogdon scoring a go-ahead layup, followed by Grayson Allen driving to the other end to score an off-balance bucket at the buzzer.
John Lattner, the 1953 Heisman Trophy winner who helped lead Notre Dame to a 9-0-1 record and a No. 2 ranking in Frank Leahy's final year as coach, has died. He was 83.
Jabbar Juluke, the former running backs coach at Louisiana Tech who spent just one month at Texas Tech, will assume the same role on Les Miles' staff at LSU.
Corey Robinson is returning for his senior year on the gridiron at Notre Dame while also assuming the responsibilities of student-body president.
Baylor will hire more counselors and provide additional training for faculty in an effort to improve the school's response to sexual assault incidents, school regents said Friday.