Civilian Conservation Corps (U.S.). Company 684. Camp Houghton Lake news. Company 684.
Chicago-viite (17. p.)Civilian Conservation Corps (U.S.). Company 684. Camp Houghton Lake News. Harrison, Mich.: Company 684.
MLA-viite (8. p.)Civilian Conservation Corps (U.S.). Company 684. Camp Houghton Lake News. Company 684.
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