- vk.com tsl.org_so2TSL.org (Tier Stage Level Organization) — is a system for determining the tier of a team, as well as news about tournaments and expert discussions.
- twitter.com tslsociety/Members of the board of the INFORMS Transportation and Logistics Society (TSL) tweet here.
- ok.ru group/54459822506065/topic/69056006479953Сайт в Интернете: www.tsl.org 1930-31 гг. - Гай Баллард встречается с владыкой Сен Жерменом в поездке на г. Шаста.