The Leon Johnson papers consist of a scrapbook, letters, speeches, and memorabilia. The scrapbook contains athletics, dance, theatre, and semi-centennial programs, receipts and tickets, letters, college songs, greeting cards and ribbons, news clippings, posters (including class rivalry posters by the classes of 1910, 1911, and 1912), postcards, and photographs of Michigan Agricultural College life, Forestry Camp, and friends. Memorabilia in the collection includes M.A.C. programs and calendars.