The Walter Tennyson Swingle Collection contains research material and correspondence of Walter T. Swingle as well as translations and correspondence of Michael J. Hagerty. The Swingle portion of the collection is comprised of his articles, manuscr...
The Charles T. Simpson collection contains photographs, account statements, letters, minutes, contracts, typescripts, articles, certificates, membership cards, manuscripts, notes, photocopies, and a plant specimen, which document the lengthy botan...