Fonds consists primarily of textual materials related to Herring's forestry career. Materials related to his extensive interest in the forestry industry are also present, including documents related to various lectures and conferences in which he participated. Materials include correspondence, reference materials, maps, blueprints, financial documents, handwritten notes, and more.

Also included in the fonds are photographs, slides, and moving images; some of these are images related to forestry, while most show scenes related to Herring's personal interests and travels, many of which involve hunting and fishing, or attending Highland games and other cultural celebrations and events.