Here you have historical stats about the games played between the Lakers and the Celtics with their all-time performance against each other in the NBA Season and Playoffs. It includes total games, wins, losses, winning percentage for each team and, if it exists, detailed data about the variants of the two franchises through the years.
Link: https://www.landofbasketball.com/head_to_head/lakers_vs_celtics_all_time.htm