edit
CLA is an abbreviation, and a word has multiple meanings. As far as the current situation is concerned, CLA has several explanations, and the specific explanation can be found in the related encyclopedia entry.
0. The Canadian Library Association CLA was founded in Hamilton, Ontario, 1946. This is a non-profit organization, headed by an elected executive committee. Its main members are universities, colleges, public institutions, non-profit organizations and government and school libraries.