In 1967 the Marine Corps Museum began a program designed to acquired and preserve the personal papers of former Marines for future students of history. The Louis McCarty Little Papers (P.C. 143) are an especially useful source of information on the history of the Marine Corps in the 1930s. Although there is some material, specifically in his autobiographical speeches in folder 43, which dates back to Little's first assignments in 1899-1900, the bulk of this collection is concentrated in the later decade.

In 1967 the Marine Corps Museum began a program designed to acquired and preserve the personal papers of former Marines for future students of history. The Levi Twiggs Papers (P.C. 123) offer the student of the Mexican War an interesting and informed view of that conflict.