Journals, correspondence, and regional primary source materials from her trips to Japan, Polynesia, New Zealand, Hawaii, Greece, and her time with the Maori people of New Zealand.

Publications, correspondence, and journals from members of the Del Mar family.

Correspondence, legal papers, travel writings and ephemera, drawings, sheet music, stamps, foreign currency, journals, photographs, glass negatives, and slides from the Blackwelder, Del Mar, and MacCoy families, who were connected by marriage. The families were avid travelers, artists, and writers, and were prominent in Chicago, St. Louis, and New York.