This is the official home of Clan Leslie on the web. You will find history, membership info and forms, clan items for sale, and photographs.   https://www.clanlesliesociety.org/    

The Clan Leslie Charitable Trust is in place to collect and preserve historical Scottish items, particularly those related to Clan Leslie.   https://www.clanleslietrust.org/    

For those down under, there is a thriving branch of Clan Leslie in Australia & New Zealand.   https://www.clanleslie.org/

https://www.scotclans.com/scottish_clans/clan_leslie/