Consists of manuscripts of talks, articles, correspondence, photographs, and slides.  Most relate to chemistry and chemists at Grinnell College in the early and mid-twentieth century.

The collection contains “historical manuscripts, notes and correspondence of Professor L.F. Parker in regard to material for his History of Poweshiek County.  Most materials are handwritten, although a few of Parker’s manuscripts are typed.

Consists of holograph, typescript, and proofs of Joseph Wall's biography, Andrew Carnegie (1970), holograph and typescript of Henry Watterson: Reconstructed Rebel (1956), and of the page proof of Interpreting Twentieth-Century America (1973).  A small part of the collection includes some correspondence connected with Andrew Carnegie. Also included is a typescript of the Grinnell College Faculty Handbook (1969) and talks and memos concerning the Abler-Woodworth controversy of 1974.