Includes articles both collected and written by Pusey from numerous publications aside from the Washington Post. Materials date from between 1930 and 1984.

Contains personal letters, greeting cards, and the official correspondence of Pusey. The letters addressed to Pusey are from various sources, including government bodies, newpapers, and universities. Dates from between 1941 and 1971.

Includes typescript copies of Reed Smoot's diaries, edited for publication by Pusey. Materials date from circa 1875 to 1928.

Includes editorals and press releases, primarily written by Pusey during his time working at the Washington Post. Materials date from between 1928 and 1971.

Contains manuscripts for Merlo J. Pusey's book, "Big Government." Dates from 1928-1945.

Contains manuscripts for Merlo J. Pusey's book "Builders of the Kingdom". Dates to 1979.

Contains material related to Pusey's award winning biography of Justice Charles Evan Hughes, the Chief Justice of the Supreme Court. Included are Charles Evan Hughes' writings, research concerning Hughes, book drafts, manuscripts, and book reviews. Materials date from between 1875 and 1974.

Contains notes, newspaper articles on Eugene Meyer related to the Washington Post and other publications by Eugene Meyer. Dates from 1930-1970.

Contains Pusey's research papers on Ezra Taft Benson and Dwight D. Eisenhower. The material centers around Eisenhower's presidential administration with some additional material on Benson's service as his Secretary of Agriculture. Also contains materials relating to Pusey's biography of Eisenhower, including a typed manuscript and correspondence with publishers and others. Dates from between 1952 and 1960.

Contains a manuscripts for Merlo J. Pusey's book "Stepchild of Democracy". Dates to circa 1960s.