The Associated Medical Care Plans was established in 1946. In 1950 the name was changed to Blue Shield Medical Care Plans; later to National Association of Blue Shield Plans, and in 1977 to Blue Shield Association. Works by these bodies published before the change of name in 1977 are found under National Association of Blue Shield Plans. Works published after that change of name are found under Blue Shield Association. SUBJECT ENTRY: Works about these bodies are entered under the name used during the latest period covered. In the case where the required name is represented in this catalog only under a later form of the name, entry is made under the later form.