1. Headquarters circular no. 206-212; Apr. 17, 1943-Sept. 22, 1944. Bookmark Corporate/Agency Authors: Coast Guard Publisher: Coast Guard Date: [1943-44.] SuDoc number: N 24.22:206-212
2. Headquarters circular, 190-205; Nov. 19, 1941-Dec. 11, 1942. Bookmark Corporate/Agency Authors: Coast Guard Publisher: Coast Guard Date: [1941-42.] SuDoc number: N 24.22:190-205