Articles and excerpts of larger works on various chemurgic subject areas. The series is further divided into the following subject areas: Agricultural crops; Agricultural Products and Processing Operations; Alcohol-Gasoline; Chemical Uses of Agricultural Products; Chemistry and Chemical Engineering; Christensen, Leo; Congressional Hearings; Enzymatic Processes; Fermentation Processes; General; Industrial Plant Design; Industrial Alcohol; Memorandum; Microorganisms; Synthetic Rubber.

The subgroup "Christensen, Leo," contains publications where he was the sole or principal author. Other materials within various subgroups in the series may contain materials written by Christensen as a secondary author or researcher. All subgroup materials were collected to aid in Christensen's own work, with the dominant subject area being alcohol-gasoline.

Arranged alphabetically by subgroup then alphabetically by publication title within each subgroup.